FR496954A
(en )
1919-11-21
Charcoal trim enhancements
CH79523A
(en )
1918-12-02
Device for reproducing cinematic images and speech or any other sounds and noises
FR489987A
(en )
1919-03-26
Further development of lathes and similar machines
CH79346A
(en )
1919-01-16
Method and device for determining the exposure time in photographic recordings
CH79972A
(en )
1919-02-01
Method and apparatus for recording and reproducing speaking, living images
ES67798A1
(en )
1918-10-01
An apparatus for the simultaneous reproduction of cinematographic images and spoken language or any other sounds.
FR499809A
(en )
1920-02-24
Eyewear and glasses improvements
CH55776A
(en )
1912-09-02
Facility for showing cinematographic or other images
CH58178A
(en )
1913-02-17
Method and device for keeping mustard fresh
FR485072A
(en )
1917-12-11
Improvements to Bombs and Shells
CH72736A
(en )
1916-06-16
Method and device for the production of photographic images which are composed of several recordings
CH76294A
(en )
1917-11-16
Briquette and method of making the same
CH56157A
(en )
1912-10-01
Combination photographic negative and method of making the same
FR493715A
(en )
1919-08-20
Improvements to torpedo boats and similar boats
FR494624A
(en )
1919-09-13
Conrod improvements
AT52275B
(en )
1912-02-26
Device for automatic recording of the travel times and speed of ships.
CH78682A
(en )
1918-08-16
Device for fire prevention when the exposed piece of film catches fire on cinematographs
CH78963A
(en )
1918-09-16
Process and device for the reduction of ores
FR494113A
(en )
1919-08-30
Improvements to photographic or cinematographic projections
CH54532A
(en )
1912-06-01
Method and device for determining the density of photographic negatives
FR490285A
(en )
1919-04-15
Improvements to horns or mechanical and electrical horns
FR492366A
(en )
1919-07-05
Improvements made and relating to gasifiers
AT91608B
(en )
1923-03-10
Device for determining the direction of underwater sound waves.
DK28188C
(en )
1921-08-15
Procedure for the manufacture of zinc containers for dry elements for flashlights and the like.
CH76112A
(en )
1917-11-01
Method for the simultaneous recording and playback of motion and sound