CH82482A
(en )
1919-10-01
Device for removing wedges stuck in wedge tracks
FR586349A
(en )
1925-03-24
Method and machine for polygonal turning
CH83519A
(en )
1919-12-01
Device for waxing snowshoes
CH85412A
(en )
1920-06-16
Machine for processing and cleaning ice rinks.
CH82426A
(en )
1919-10-01
Device for inserting staples
FR529604A
(en )
1921-12-02
Method and device for cleaning and re-cutting files
CH82770A
(en )
1919-10-16
Device for crushing pieces of ice
CH82444A
(en )
1919-10-01
Apparatus for lowering coffins
AT91427B
(en )
1923-02-26
Method and device for electrical welding.
FR544094A
(en )
1922-09-14
Rational method and apparatus for the protection of convoys mounted on railway tracks
CH82595A
(en )
1919-10-01
Process for leaching substances
CH82737A
(en )
1919-10-16
Device for collecting tree fruits
FR569955A
(en )
1924-04-22
Method and apparatus for welding rails
AT105069B
(en )
1926-12-27
Method and device for handling cinematographic image tapes.
DK31008C
(en )
1922-12-27
Method and device for collecting plates.
FR526861A
(en )
1921-10-15
Method and apparatus for casting typefaces
FR515268A
(en )
1921-03-26
Improvements in machines for crenelling nuts
FR525056A
(en )
1921-09-15
Method and apparatus for ore reduction
AT87344B
(en )
1922-02-25
Method and device for equalizing the differences in pitch in the drive perforation of image strips that are continuously moving with one another.
CH82712A
(en )
1919-10-16
Device for retensioning wooden wagon wheel rims
AT87383B
(en )
1922-02-25
Device for processing ores using the foam floating method.
CH83064A
(en )
1919-11-01
Device for reversing propellers
FR538576A
(en )
1922-06-12
Method and apparatus for marbling
ES70925A1
(en )
1919-11-01
Method and apparatus for radiotelegraphic signals.
CH80358A
(en )
1919-03-01
Method and device for braking high pressure water forces