CH72599A
(en )
1916-06-02
Device for the storm-proof fastening of interlocking tiles
CH72225A
(en )
1916-04-17
Device for preventing the damage and theft of showpieces
ES52567A3
(en )
1912-06-01
Improvements in electrical fracture warning devices and similar devices.
CH72118A
(en )
1916-04-01
Telegraph system
CH67686A
(en )
1915-01-02
Device for activating the alarm bell on vehicles that can be driven by hand
AT96057B
(en )
1924-02-25
Device for the transmission and amplification of wave currents.
AT90984B
(en )
1923-01-25
Device for the transmission of signals.
ES54888A1
(en )
1913-04-01
Improvements in the pulley supports for signal maneuvering cable of the railways and other applications.
FI6250A
(en )
1916-01-20
Management of the aid
CH75414A
(en )
1917-08-01
Equipment on roof trusses for automatic and constant ventilation of the same
ES60727A1
(en )
1915-08-16
Improvements in electrical devices for the transmission and reception of signals.
CH70030A
(en )
1915-08-16
Rectifier three-wire system
CH71228A
(en )
1915-12-16
Centering and cutting device
CH73526A
(en )
1916-10-16
Centering and cutting device
CH69247A
(en )
1915-06-16
Device for the electrical remote transmission of movements
CH71130A
(en )
1917-08-01
Remote control system
DK18774C
(en )
1914-05-04
Device for the introduction of electrical wires in buildings and the like.
CH74642A
(en )
1917-08-01
Tracking and sighting device
CH72184A
(en )
1916-09-16
Device for forming loopholes
CH75099A
(en )
1917-06-01
Cooling device
CH72235A
(en )
1916-04-17
Blowpipe equipment on locomotives
DK34827C
(en )
1925-08-03
Electrical Signal System.
DK32311C
(en )
1923-09-24
Electrical Signal System.
CH76250A
(en )
1917-11-16
Power transmission device
CH55291A
(en )
1912-08-01
Device for the prevention of train collisions