CH72284A
(en )
1916-05-01
Device for estimating the distance from flying machines
CH73598A
(en )
1916-11-01
Device for moving the slide on calculating machines
CH89834A
(en )
1921-07-01
Device for side scattering on machine guns.
CH72389A
(en )
1916-08-01
Device for recording game results
CH73984A
(en )
1916-12-16
Device for recording game results
CH72968A
(en )
1916-07-17
Device for attaching photographic apparatus etc. to sticks
CH75652A
(en )
1918-02-01
Device for making butter
CH73925A
(en )
1916-12-16
Method for determining the exposure time for photographic recordings
CH72462A
(en )
1916-06-02
Device for the mechanical spreading of sand
CH77556A
(en )
1918-05-01
Device for illustrating the elementary arithmetic operations
CH69199A
(en )
1915-06-01
Device for adjusting the counting wheels on calculating machines
FR483292A
(en )
1917-06-15
Radio-surgical guide indicator
CH72889A
(en )
1916-12-01
Device for monitoring due dates
CH61084A
(en )
1913-09-01
Device for correcting impotentia coeundi
FI6788A
(en )
1917-10-04
Method for measuring the surface
CH78011A
(en )
1918-10-16
Device for preventing railroad tracks from moving
CH73996A
(en )
1916-12-16
Device for preventing railroad tracks from moving
CH64343A
(en )
1914-03-16
Apparatus for determining fertilization
CH74730A
(en )
1917-04-02
Device for making ropes
FR483581A
(en )
1917-07-20
Automatic gauge
CH79177A
(en )
1918-10-16
Device for electroosmotic drainage
CH78546A
(en )
1918-08-01
Device for electroosmotic drainage
CH72368A
(en )
1916-05-16
Device for automatic shutdown of the looms when nests form
CH68076A
(en )
1915-02-16
Automatic device for changing the number of revolutions of work machines
CH70919A
(en )
1915-11-01
Device on Ferrari meters to improve the error curve