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FI3539A
(en)
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Electric light bulbs with a metal light bulb
|
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FI3620A
(en)
|
|
Electric light bulbs with a metal splitter
|
|
CH44595A
(en)
|
|
Electric light bulb
|
|
CH48925A
(en)
|
|
Electric light bulb with supported metal threads
|
|
CH42405A
(en)
|
|
Upright metal filament light bulb
|
|
CH44286A
(en)
|
|
Arc lamp assembly
|
|
DK10559C
(en)
|
|
Electric Incandescent Lamp with Supported Metal Incandescent Wire.
|
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CH37527A
(en)
|
|
Electric light bulb with a metallic filament
|
|
CH37294A
(en)
|
|
Electric light bulb with metal filaments
|
|
CA2623S
(en)
|
|
Electric light bulb
|
|
CH40695A
(en)
|
|
Electric light bulb with supported metal filaments
|
|
CH31375A
(en)
|
|
Electric light bulb
|
|
CH37526A
(en)
|
|
Electric light bulb
|
|
CH48404A
(en)
|
|
Illumination lantern
|
|
CH46496A
(en)
|
|
Electric arc lamp
|
|
CH40112A
(en)
|
|
Electric light bulb with several metal filament brackets
|
|
CH47482A
(en)
|
|
Metal filament light bulb
|
|
CH35993A
(en)
|
|
Electric candle lamp
|
|
CH44005A
(en)
|
|
Arc lamp
|
|
CH41060A
(en)
|
|
Metal filament light bulb
|
|
CH44179A
(en)
|
|
Metal filament light bulb
|
|
FR394403A
(en)
|
|
Candlestick
|
|
FR10886E
(en)
|
|
Improvements to incandescent electric lamps
|
|
FR400613A
(en)
|
|
Improvements to incandescent electric lamps
|
|
CH36661A
(en)
|
|
Electric light bulb with metal filaments held by a spring
|