CH65671A
(en )
1914-07-01
Device for automatic opening of the shutters
CH69291A
(en )
1915-06-16
Device on display roller shutters for automatic opening of the same
CH52237A
(en )
1911-11-01
Device for opening and closing shutters
FR462817A
(en )
1914-02-05
Device for adjusting closed light sources
CH64277A
(en )
1914-03-16
Device for closing the tapping opening in melting furnaces
CH63514A
(en )
1914-04-01
Device for the automatic closing of doors
FR434777A
(en )
1912-02-13
Device for ensuring the ventilation of glass furnaces
FR15714E
(en )
1912-09-09
Device for the automatic closing of gas lines
FR15503E
(en )
1912-07-25
Device for the automatic closing of gas lines
FR438902A
(en )
1912-05-31
Device for the automatic closing of gas lines
CH54287A
(en )
1912-05-01
Device for opening and closing toilet lids
FR386048A
(en )
1908-06-02
Device for centering the images of cinematographic strips
CH66467A
(en )
1914-09-16
Equipment on chimneys for introducing and increasing the draft
FR508429A
(en )
1920-10-11
Improved device for patés and cake molds
FR460236A
(en )
1913-11-26
Closing device for electric arc furnaces
CA149570A
(en )
1913-07-29
Photographing and developing apparatus
FR404748A
(en )
1909-12-10
Closure for shutter
FR438244A
(en )
1912-05-10
Device for taking and projecting cinematographic views
CH57623A
(en )
1913-01-16
Cooling device for closed dynamo-electric machines
CH58608A
(en )
1913-03-17
Device for opening and closing doors
CH55956A
(en )
1912-10-01
Apparatus for taking cinematographic and ordinary photographs
CH52420A
(en )
1911-11-16
Device for releasing photographic shutters
CH63079A
(en )
1914-01-02
Device for opening eggs
CH72711A
(en )
1916-06-16
Device for opening and locking shutters
CH67523A
(en )
1914-12-16
Automatic shutter opening device