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.
AT75642B
(en )
1919-02-25
Impression device.
CH75461A
(en )
1918-01-02
Device on skis to prevent backward sliding
CH69199A
(en )
1915-06-01
Device for adjusting the counting wheels on calculating machines
CH77556A
(en )
1918-05-01
Device for illustrating the elementary arithmetic operations
CH60397A
(en )
1913-07-16
Device for stretching the urethra
CH67335A
(en )
1914-12-01
Removable steering device on the slide
AT82817B
(en )
1921-02-25
Device for side scattering on machine guns.
CH73695A
(en )
1916-11-01
Device for automatic zeroing of the setting disks on calculating machines
AT71540B
(en )
1916-04-10
Device for measuring shirts.
CH69011A
(en )
1915-05-01
Device on guns for testing the horizontal wheelbase
CH67493A
(en )
1914-12-16
Device for holding back the shoulders
FR478433A
(en )
1915-12-10
Molding apparatus
CH61453A
(en )
1913-09-16
Device on drawing boards for clamping the drawing paper or block
DK28708C
(en )
1921-10-31
Device for Carving Machines.
CH75652A
(en )
1918-02-01
Device for making butter
CH79206A
(en )
1918-10-16
Device for reversing the rollers in rolling machines
CH74348A
(en )
1917-02-16
Toy top with device for starting the same
CH72968A
(en )
1916-07-17
Device for attaching photographic apparatus etc. to sticks
CH66304A
(en )
1914-08-17
Device for cleaning the laundry
CH72782A
(en )
1916-07-01
Steering device on slide
CH76091A
(en )
1917-11-01
Device for churning
DK23576C
(en )
1918-09-30
Collection device for electrical systems.
DK21018C
(en )
1916-02-21
Apparatus for Cutting Objects.