US20080311808A1 - Personal flotation device with closure envelope - Google Patents
Personal flotation device with closure envelope Download PDFInfo
- Publication number
- US20080311808A1 US20080311808A1 US11/762,744 US76274407A US2008311808A1 US 20080311808 A1 US20080311808 A1 US 20080311808A1 US 76274407 A US76274407 A US 76274407A US 2008311808 A1 US2008311808 A1 US 2008311808A1
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- United States
- Prior art keywords
- flotation device
- personal flotation
- panels
- panel
- coupled
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C9/00—Life-saving in water
- B63C9/08—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like
- B63C9/11—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like covering the torso, e.g. harnesses
Definitions
- the present invention relates to buoyant garments for use in an aquatic environment.
- Personal flotation devices such as a lifejacket or life vest are constructed with various types of closures. Closures with a quick and positive locking mechanism, such as a buckle or a snap hook and dee ring, are generally preferred. Zippers and buttons are not considered closures with a quick and positive locking mechanism.
- closures that may be used with a personal flotation device that provide ease of operation and secure fastening of the personal flotation device to the wearer
- the closures are typical exposed on the surface of the device and can be susceptible to snags. Exposed closures and straps can also cause abrasion to the arms of the user and are a potential safety hazard.
- the present invention provides two panels that are attached at an offset to the edges of a personal flotation device and coupled by a zipper.
- the coupled panels provide a smooth exterior surface for the personal flotation device when donned by a wearer.
- At least one of the panels is fabricated from a stretchable material and is attached at a distance from an edge of the personal flotation device. Both panels may be fabricated from a stretchable material.
- one or more two-part closures are attached to adjacent surfaces of the personal flotation device.
- the two panels When coupled by the zipper, the two panels envelop the closures that are attached to the adjacent surfaces of the personal flotation device when the closures are joined.
- one or more two-part closures are attached to a surface of the personal flotation device and to one of the panels. When coupled by the zipper, the two panels envelop the closures.
- one or more closures are attached to a surface the personal flotation device and the edges are coupled by a zipper. When the edge zipper and panel zipper are coupled, the closures are enveloped.
- FIG. 1A shows a front view of a personal flotation device with zippered panels in an unzipped configuration in accordance with an embodiment of the present invention.
- FIG. 1B shows a front view of the personal flotation device of FIG. 1A with the zippered panels in a zipped configuration.
- FIG. 1C shows a rear view of the personal flotation device of FIG. 1A .
- FIG. 2A shows a front view of a front closing personal flotation device with zippered panels and interior closures in an open configuration in accordance with an embodiment of the present invention.
- FIG. 2B shows a front view of the personal flotation device of FIG. 2A in a partially closed configuration.
- FIG. 2C shows a front view of the personal flotation device of FIG. 2A in a fully closed configuration.
- FIG. 3A shows a front view of a side closing personal flotation device with zippered panels and interior closures in an open configuration in accordance with an embodiment of the present invention.
- FIG. 3B shows a front view of the personal flotation device of FIG. 3A in a partially closed configuration.
- FIG. 3C shows a front view of the personal flotation device of FIG. 3A in a fully closed configuration.
- FIG. 4A shows a front view of a front closing personal flotation device with zippered panels and interior closures and zipper in an open configuration in accordance with an embodiment of the present invention.
- FIG. 4B shows a front view of the personal flotation device of FIG. 4A in a partially closed configuration with the interior zipper zipped.
- FIG. 4C shows a front view of the personal flotation device of FIG. 4A in a partially closed configuration with interior zipper zipped and buckle fastened.
- FIG. 4D shows a front view of the personal flotation device of FIG. 4A in a fully closed configuration.
- FIG. 1A shows a fully open view 100 of an embodiment of a personal flotation device.
- panels 110 a and 110 b are attached to the front surfaces of a buoyant trunk portion 105
- zipper halves 115 a and 115 b are attached to panels 110 a and 110 b , respectively.
- panels 110 a and 110 are shown as attached at on offset from the edge, in other embodiments one of the panels may be attached to an edge.
- Buoyant trunk portion 105 is fabricated from materials that are capable of providing buoyancy when immersed in water.
- a trunk portion 105 may be fabricated from a closed-cell foam core covered by a nylon fabric shell.
- At least one of panels 110 a and 110 b are fabricated from a material that is both flexible and stretchable (e.g. nylon/spandex fabric). Panels 110 a and 110 b are each attached at an offset from the mating edges of the trunk portion 105 .
- FIG. 1B shows a closed front view 101 of the personal flotation device of FIG. 1A , with panels 110 a and 110 b joined by the closed zipper 115 to provide an encircling enclosure for a wearer.
- the stretchable panels 110 a and 110 b provide a reduced resistance to movement that is not dependent upon the properties of the buoyant trunk portion 105 .
- stretchable panels may include a portion that is not stretchable while maintaining overall stretchability.
- FIG. 1C shows a rear view 102 of the personal flotation device of FIG. 1A .
- a utility pocket 120 a is closed by a cover 120 b .
- the cover 120 b has a hole 120 c that allows the pocket 120 a to be used with a music player with headphones.
- the trunk portion 105 has an internal pocket 125 that contains lumbar support elements 130 .
- the lumbar support elements are flexible, yet preferably stiffer than the surrounding trunk portion 105 .
- the lumbar support elements 130 may be stiffened by selection of a material that is intrinsically stiffer that the materials used in fabricating the trunk portion 105 .
- the lumbar supports 130 may be fabricated from a material that is common to the trunk portion 105 , with greater stiffness being achieved by increasing the cross-sectional thickness of the lumbar supports 130 with respect to the trunk portion 105 .
- FIG. 2A shows a fully open view 200 of an embodiment of a personal flotation device similar to that shown in FIG. 1A .
- panels 210 a and 210 b are attached to the front surfaces of a buoyant trunk portion 205
- zipper halves 215 a and 215 b are attached to panels 210 a and 210 b , respectively.
- Buckle receivers 220 b are attached by webbing 235 to the surface of the buoyant trunk portion 205 adjacent to panel 210 a
- buckle inserts 220 a are attached by webbing 225 to the surface of the buoyant trunk portion 205 adjacent to panel 210 b .
- the length of webbing 235 provides a range of adjustment for the girth of the wearer.
- Buckle insert 22 a and buckle receiver 220 b form a two-part closure that provides a quick and positive locking.
- Other two part closures e.g., a snap hook and dee ring
- the locking of the two-part closure provides an encircling closure of the wearer.
- FIG. 2B shows a partially closed front view 201 of the personal flotation device of FIG. 2A , with closed buckles 220 .
- the webbing 235 may be adjusted to provide a fit that avoids restriction over the range of motion anticipated by the wearer.
- FIG. 2C shows a closed front view 202 of the personal flotation device of FIG. 2A , with panels 210 a and 210 b joined by the closed zipper 215 .
- the stretchable panels 210 a and 210 b provide a gentle cinching that gives a closer fit than that provided by buckles alone without significant restriction of movement.
- the zipped panels 210 a and 210 b also present a smoother exterior surface that prevents the snagging of buckles.
- FIG. 3A shows a fully open view 300 of an embodiment of a personal flotation device.
- panel 310 a is attached to the front surface of a buoyant trunk portion 305
- panel 310 b is attached to the rear surface.
- Zipper halves 315 a and 315 b are attached to panels 310 a and 310 b , respectively.
- Buckle receivers 320 b are attached by webbing 335 to the surface of the buoyant trunk portion 305 adjacent to panel 310 a , and buckle inserts 320 a are attached by webbing 325 to panel 310 b .
- the length of webbing 335 provides a range of adjustment for the girth of the wearer.
- FIG. 3B shows a partially closed front view 301 of the personal flotation device of FIG. 3A , with closed buckles 320 .
- the webbing 335 may be adjusted to provide a fit that avoids restriction over the range of motion anticipated by the wearer.
- FIG. 3C shows a closed front view 302 of the personal flotation device of FIG. 3A , with panels 310 a and 310 b joined by the closed zipper 315 .
- the stretchable panels 310 a and 310 b provide a gentle cinching that gives a closer fit than that provided by buckles alone without significant restriction of movement.
- the zipped panels 310 a and 310 b also present a smoother exterior surface that prevents the snagging of buckles.
- FIG. 4A shows a fully open view 400 of an embodiment of a personal flotation device similar to that shown in FIG. 2 A.
- Panels 410 a and 410 b are attached to the front surfaces of a buoyant trunk portion 405 , and zipper halves 415 a and 415 b are attached to panels 410 a and 410 b , respectively.
- the personal flotation device of FIG. 4A has zipper halves 440 a and 440 b attached to the central edges of the front surfaces of the buoyant trunk portion 405 .
- Buckle receiver 420 b is attached by webbing 435 to the surface of the buoyant trunk portion 205 adjacent to panel 410 a
- buckle insert 420 a is attached by webbing 425 to the surface of the buoyant trunk portion 405 adjacent to panel 410 b
- the points of attachment for the webbing 435 are below the rib cage of the wearer.
- the length of webbing 435 provides a range of adjustment for the girth of the wearer.
- FIG. 4B shows a partially closed front view 401 of the personal flotation device of FIG. 2A , with zipped zipper 440 .
- the zipper 440 may be used to provide a close fit at the expense of reduced freedom of movement, but it is not required that it be zipped.
- FIG. 4C shows a partially open front view 402 of the personal flotation device of FIG. 4A , with closed buckle 420 .
- the webbing 435 may be adjusted to provide a fit that avoids restriction over the range of motion anticipated by the wearer.
- the closed buckle 420 provides an encircling enclosure of a wearer that is situated below the rib cage of the wearer.
- FIG. 4D shows a closed front view 403 of the personal flotation device of FIG. 4A , with panels 410 a and 410 b joined by the closed zipper 415 .
- the stretchable panels 410 a and 410 b provide a gentle cinching that gives a closer fit than that provided by buckles alone without significant restriction of movement.
- the zipped panels 410 a and 410 b also present a smoother exterior surface that prevents the snagging of buckles.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
Abstract
Two zippered panels attached to a personal flotation device with at least one panel being attached at an offset to an edge of the personal flotation device and at least one panel being stretchable. When zipped together the two panels provide a smooth exterior surface for the personal flotation device. The stretchability of the panels allow for a close fit of the personal flotation device while maintaining freedom of movement. The offset of the panels allows for the attachment of closures to the surface of the personal flotation device within the envelope formed by the panels.
Description
- 1. Field of the Invention
- The present invention relates to buoyant garments for use in an aquatic environment.
- 2. Description of Related Art
- Personal flotation devices such as a lifejacket or life vest are constructed with various types of closures. Closures with a quick and positive locking mechanism, such as a buckle or a snap hook and dee ring, are generally preferred. Zippers and buttons are not considered closures with a quick and positive locking mechanism.
- Although there are a number closures that may be used with a personal flotation device that provide ease of operation and secure fastening of the personal flotation device to the wearer, the closures are typical exposed on the surface of the device and can be susceptible to snags. Exposed closures and straps can also cause abrasion to the arms of the user and are a potential safety hazard.
- Due to the requirement for strength of the closures used in personal flotation devices, there is often a limited amount elasticity in the closures. Lack of elasticity in the closures reduces the ability of the personal flotation device to adapt to the movement of the wearer.
- Thus, a need exists for an improved personal flotation device that provides a secure closure system and reduces the possibility for snagging of the closure. A need also exists for a closure system and method that provides increased elasticity for improved adaptability to the wearer.
- The present invention provides two panels that are attached at an offset to the edges of a personal flotation device and coupled by a zipper. The coupled panels provide a smooth exterior surface for the personal flotation device when donned by a wearer.
- In one embodiment of the invention at least one of the panels is fabricated from a stretchable material and is attached at a distance from an edge of the personal flotation device. Both panels may be fabricated from a stretchable material.
- In another embodiment one or more two-part closures are attached to adjacent surfaces of the personal flotation device. When coupled by the zipper, the two panels envelop the closures that are attached to the adjacent surfaces of the personal flotation device when the closures are joined.
- In a further embodiment one or more two-part closures are attached to a surface of the personal flotation device and to one of the panels. When coupled by the zipper, the two panels envelop the closures.
- In a still further embodiment one or more closures are attached to a surface the personal flotation device and the edges are coupled by a zipper. When the edge zipper and panel zipper are coupled, the closures are enveloped.
-
FIG. 1A shows a front view of a personal flotation device with zippered panels in an unzipped configuration in accordance with an embodiment of the present invention. -
FIG. 1B shows a front view of the personal flotation device ofFIG. 1A with the zippered panels in a zipped configuration. -
FIG. 1C shows a rear view of the personal flotation device ofFIG. 1A . -
FIG. 2A shows a front view of a front closing personal flotation device with zippered panels and interior closures in an open configuration in accordance with an embodiment of the present invention. -
FIG. 2B shows a front view of the personal flotation device ofFIG. 2A in a partially closed configuration. -
FIG. 2C shows a front view of the personal flotation device ofFIG. 2A in a fully closed configuration. -
FIG. 3A shows a front view of a side closing personal flotation device with zippered panels and interior closures in an open configuration in accordance with an embodiment of the present invention. -
FIG. 3B shows a front view of the personal flotation device ofFIG. 3A in a partially closed configuration. -
FIG. 3C shows a front view of the personal flotation device ofFIG. 3A in a fully closed configuration. -
FIG. 4A shows a front view of a front closing personal flotation device with zippered panels and interior closures and zipper in an open configuration in accordance with an embodiment of the present invention. -
FIG. 4B shows a front view of the personal flotation device ofFIG. 4A in a partially closed configuration with the interior zipper zipped. -
FIG. 4C shows a front view of the personal flotation device ofFIG. 4A in a partially closed configuration with interior zipper zipped and buckle fastened. -
FIG. 4D shows a front view of the personal flotation device ofFIG. 4A in a fully closed configuration. -
FIG. 1A shows a fullyopen view 100 of an embodiment of a personal flotation device.panels buoyant trunk portion 105, andzipper halves panels panels 110 a and 110 are shown as attached at on offset from the edge, in other embodiments one of the panels may be attached to an edge. -
Buoyant trunk portion 105 is fabricated from materials that are capable of providing buoyancy when immersed in water. For example, atrunk portion 105 may be fabricated from a closed-cell foam core covered by a nylon fabric shell. - At least one of
panels Panels trunk portion 105. -
FIG. 1B shows a closedfront view 101 of the personal flotation device ofFIG. 1A , withpanels closed zipper 115 to provide an encircling enclosure for a wearer. Thestretchable panels buoyant trunk portion 105. In other embodiments stretchable panels may include a portion that is not stretchable while maintaining overall stretchability. -
FIG. 1C shows arear view 102 of the personal flotation device ofFIG. 1A . Autility pocket 120 a is closed by acover 120 b. Thecover 120 b has ahole 120 c that allows thepocket 120 a to be used with a music player with headphones. - The
trunk portion 105 has aninternal pocket 125 that containslumbar support elements 130. The lumbar support elements are flexible, yet preferably stiffer than the surroundingtrunk portion 105. Thelumbar support elements 130 may be stiffened by selection of a material that is intrinsically stiffer that the materials used in fabricating thetrunk portion 105. Alternatively, the lumbar supports 130 may be fabricated from a material that is common to thetrunk portion 105, with greater stiffness being achieved by increasing the cross-sectional thickness of the lumbar supports 130 with respect to thetrunk portion 105. -
FIG. 2A shows a fullyopen view 200 of an embodiment of a personal flotation device similar to that shown inFIG. 1A .panels buoyant trunk portion 205, andzipper halves panels -
Buckle receivers 220 b are attached by webbing 235 to the surface of thebuoyant trunk portion 205 adjacent topanel 210 a, and buckle inserts 220 a are attached by webbing 225 to the surface of thebuoyant trunk portion 205 adjacent topanel 210 b. The length ofwebbing 235 provides a range of adjustment for the girth of the wearer. - Buckle insert 22 a and
buckle receiver 220 b form a two-part closure that provides a quick and positive locking. Other two part closures (e.g., a snap hook and dee ring) may be used in other embodiments. The locking of the two-part closure provides an encircling closure of the wearer. -
FIG. 2B shows a partially closedfront view 201 of the personal flotation device ofFIG. 2A , withclosed buckles 220. Thewebbing 235 may be adjusted to provide a fit that avoids restriction over the range of motion anticipated by the wearer. -
FIG. 2C shows a closedfront view 202 of the personal flotation device ofFIG. 2A , withpanels closed zipper 215. Thestretchable panels panels -
FIG. 3A shows a fullyopen view 300 of an embodiment of a personal flotation device.panel 310 a is attached to the front surface of abuoyant trunk portion 305, andpanel 310 b is attached to the rear surface. Zipper halves 315 a and 315 b are attached topanels -
Buckle receivers 320 b are attached by webbing 335 to the surface of thebuoyant trunk portion 305 adjacent topanel 310 a, and buckle inserts 320 a are attached by webbing 325 topanel 310 b. The length ofwebbing 335 provides a range of adjustment for the girth of the wearer. -
FIG. 3B shows a partially closedfront view 301 of the personal flotation device ofFIG. 3A , withclosed buckles 320. Thewebbing 335 may be adjusted to provide a fit that avoids restriction over the range of motion anticipated by the wearer. -
FIG. 3C shows a closedfront view 302 of the personal flotation device ofFIG. 3A , withpanels closed zipper 315. Thestretchable panels panels -
FIG. 4A shows a fullyopen view 400 of an embodiment of a personal flotation device similar to that shown in FIG. 2A.Panels buoyant trunk portion 405, andzipper halves panels - In contrast to the personal flotation device shown in
FIG. 2A , the personal flotation device ofFIG. 4A haszipper halves buoyant trunk portion 405. -
Buckle receiver 420 b is attached by webbing 435 to the surface of thebuoyant trunk portion 205 adjacent topanel 410 a, and buckle insert 420 a is attached by webbing 425 to the surface of thebuoyant trunk portion 405 adjacent topanel 410 b. The points of attachment for thewebbing 435 are below the rib cage of the wearer. The length ofwebbing 435 provides a range of adjustment for the girth of the wearer. -
FIG. 4B shows a partially closedfront view 401 of the personal flotation device ofFIG. 2A , with zippedzipper 440. Thezipper 440 may be used to provide a close fit at the expense of reduced freedom of movement, but it is not required that it be zipped. -
FIG. 4C shows a partially openfront view 402 of the personal flotation device ofFIG. 4A , withclosed buckle 420. Thewebbing 435 may be adjusted to provide a fit that avoids restriction over the range of motion anticipated by the wearer. Theclosed buckle 420 provides an encircling enclosure of a wearer that is situated below the rib cage of the wearer. -
FIG. 4D shows a closedfront view 403 of the personal flotation device ofFIG. 4A , withpanels closed zipper 415. Thestretchable panels panels - While the invention has been described in detail with reference to preferred embodiments thereof, it will be apparent to one skilled in the art that various changes can be made, and equivalents employed, without departing from the scope of the invention.
Claims (20)
1. A personal flotation device with a closure envelope, said personal flotation device comprising:
a first panel coupled to a first location on a surface of said personal flotation device, wherein said first location is offset from a first edge of said personal flotation device;
a first zipper half coupled to an edge of said first panel;
a second panel coupled to a second location on a surface of said personal flotation device;
a second zipper half coupled to an edge of said second panel; and
wherein said first zipper half is joinable to said second zipper half to provide an encircling enclosure for a wearer and at least one of said first and second panels is stretchable.
2. The personal flotation device of claim 1 further comprising a utility pocket.
3. The personal flotation device of claim 1 further comprising a lumbar support.
4. The personal flotation device of claim 1 wherein said second location is offset from a second edge of said personal flotation device.
5. The personal flotation device of claim 4 further comprising at least one two-part closure coupled to said personal flotation device, wherein said two-part closure is enveloped by said first and second panels when said first zipper half and said second zipper half are joined.
6. The personal flotation device of claim 5 wherein said two-part closure comprises a buckle.
7. The personal flotation device of claim 5 wherein said two-part closure comprises a snap hook and dee ring.
8. The personal flotation device of claim 5 wherein said two-part closure is coupled to said personal flotation device such that when joined, said two-part closure is disposed below the rib cage of a wearer.
9. The personal flotation device of claim 5 wherein one part of said two-part closure is coupled to said personal flotation device by said second panel.
10. The personal flotation device of claim 1 further comprising a third zipper half coupled to said first edge of said personal flotation device, and a fourth zipper half coupled to a second edge of said personal flotation device.
11. The personal flotation device of claim 10 wherein said two-part closure comprises a buckle.
12. The personal flotation device of claim 10 wherein said two-part closure comprises a snap hook and dee ring.
13. The personal flotation device of claim 10 wherein said two-part closure is coupled to said personal flotation device such that when joined, said two-part closure is disposed below the rib cage of a wearer.
14. The personal flotation device of claim 10 wherein one part of said two-part closure is coupled to said personal flotation device by said second panel.
15. An enveloping closure system for a personal flotation device, said system comprising:
a first panel for attaching to a first location on a surface of said personal flotation device, wherein said first location is offset from a first edge of said personal flotation device;
a first zipper half attached to an edge of said first panel;
a second panel for attaching to a second location on a surface of said personal flotation device;
a second zipper half attached to an edge of said second panel; and
wherein said first zipper half is joinable to said second zipper half to provide an encircling enclosure for a wearer and at least one of said first and second panels is stretchable.
16. The enveloping closure system of claim 15 wherein said second location is offset from a second edge of said personal flotation device.
17. The enveloping closure system of claim 16 further comprising a third zipper half coupled to said first edge of said personal flotation device, and a fourth zipper half coupled to said second edge of said personal flotation device.
18. The enveloping closure system of claim 16 further comprising one part of a two-part closure, wherein said one part of a two-part enclosure is coupled to said personal flotation device by said second panel.
19. The personal flotation device of claim 18 wherein said two-part closure comprises a buckle.
20. The personal flotation device of claim 18 wherein said two-part closure comprises a snap hook and dee ring.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US11/762,744 US20080311808A1 (en) | 2007-06-13 | 2007-06-13 | Personal flotation device with closure envelope |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/762,744 US20080311808A1 (en) | 2007-06-13 | 2007-06-13 | Personal flotation device with closure envelope |
Related Parent Applications (1)
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US09/827,643 Continuation-In-Part US6554844B2 (en) | 1998-02-24 | 2001-04-06 | Surgical instrument |
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US09/827,503 Continuation US6432112B2 (en) | 1998-02-24 | 2001-04-06 | Articulated apparatus for telemanipulator system |
Publications (1)
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US20080311808A1 true US20080311808A1 (en) | 2008-12-18 |
Family
ID=40132772
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US11/762,744 Abandoned US20080311808A1 (en) | 2007-06-13 | 2007-06-13 | Personal flotation device with closure envelope |
Country Status (1)
Country | Link |
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US (1) | US20080311808A1 (en) |
Cited By (4)
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US20100136864A1 (en) * | 2008-12-03 | 2010-06-03 | Vick George D | Cushion personal flotation device saver |
US20100136863A1 (en) * | 2008-12-03 | 2010-06-03 | Vick George D | Vest personal flotation device saver |
US9045206B2 (en) | 2013-08-09 | 2015-06-02 | Aerial Machine & Tool Corp. | Survival equipment vest incorporating flotation bladder |
US11014641B1 (en) | 2019-11-11 | 2021-05-25 | Aerial Machine & Tool Corporation | Wearable flotation device |
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US7819715B2 (en) | 2008-12-03 | 2010-10-26 | Vick George D | Cushion personal flotation device saver |
US7985112B2 (en) | 2008-12-03 | 2011-07-26 | Vick George D | Vest personal flotation device saver |
US9045206B2 (en) | 2013-08-09 | 2015-06-02 | Aerial Machine & Tool Corp. | Survival equipment vest incorporating flotation bladder |
US11014641B1 (en) | 2019-11-11 | 2021-05-25 | Aerial Machine & Tool Corporation | Wearable flotation device |
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