CH76492A
(en )
1917-12-17
Device to enable writing with crippled hands
FR488296A
(en )
1918-09-17
Prosthetic device
CH77452A
(en )
1918-04-16
Device for utilizing the shoulder stroke to operate artificial hands
CH75515A
(en )
1917-08-01
Device for conveying objects with change of direction
CH77306A
(en )
1918-04-01
Device to prevent bedwetting
CH76596A
(en )
1918-06-01
Resilient gear
CH75461A
(en )
1918-01-02
Device on skis to prevent backward sliding
FR488311A
(en )
1918-09-20
Massage device
CH78230A
(en )
1918-07-01
Device for the production of briquettes
CH77813A
(en )
1918-09-02
Device on skis to prevent sliding backwards
CH79267A
(en )
1918-10-16
Grip studs with a device for attaching the same to horseshoes
CH77275A
(en )
1918-04-01
Device on turret benches to fix the turret head
GB159046A
(en )
1921-02-24
Improvements in or relating to optical instruments, goggles and the like
CH75720A
(en )
1917-09-17
Device for the rescue of submarines
CH77504A
(en )
1918-04-16
Device for attaching objects to walls etc.
CH78705A
(en )
1918-08-16
Drive transmission device
CH75431A
(en )
1917-07-16
Device to prevent the overflow of boiling liquids
CH79127A
(en )
1918-10-16
Device for locomotion of watercraft
CH76208A
(en )
1917-11-16
Fountain pen
CH77498A
(en )
1918-04-16
Device on locks to secure the key
FR527119A
(en )
1921-10-20
Fumivorous device
FR490594A
(en )
1919-04-29
Improvements to artificial hands
CH83395A
(en )
1919-12-01
Device for massaging
CH76070A
(en )
1917-11-01
Device to prevent liquids from boiling over or further boiling
CH82470A
(en )
1919-10-01
Device for the production of bodies of revolution of any surface lines