CH25586A
(en )
1903-05-31
Protective device on electric rail vehicles
CH26066A
(en )
1903-07-31
Protective device on tram cars
CH26067A
(en )
1903-07-31
Protective device on tram cars
CH25813A
(en )
1903-06-30
Safety device on electrical overhead lines
CH26879A
(en )
1903-11-15
Automatic protective device on trams
CH23334A
(en )
1902-11-30
Protective device on doors
CH27892A
(en )
1904-02-29
Automatic pantograph pressing device on electric vehicles
CH28304A
(en )
1904-04-30
Electric train cover device on railways
CH23603A
(en )
1902-08-31
Protective device on tram cars
CH32630A
(en )
1905-08-15
Device to enable the throwing distance to be increased on overvoltage protection devices for electrical lines
GB190325222A
(en )
1904-01-21
Protective Device for Electric Circuits.
CH24489A
(en )
1902-12-31
Lightning protection device for electrical lines
CH23602A
(en )
1902-08-31
Electric braking device on electric railroad cars
AT31735B
(en )
1908-02-10
Protection device on electric tram cars.
ES31911A1
(en )
1903-07-16
Improvements in protective devices for electrical circuits.
CH31393A
(en )
1905-03-31
Manure protection device on motor vehicles
CH28445A
(en )
1904-04-30
Lightning protection device for electrical lines
ES30424A1
(en )
1902-11-16
An overhead line electric traction safety device with protective wire.
GB190203374A
(en )
1902-04-17
An Improved Protective Operating Device for Electric Motors and like purposes
CH26069A
(en )
1903-07-31
Coupling device on railway vehicles
CH65459A
(en )
1914-07-01
Signaling device especially on electric trams
GB190218079A
(en )
1903-06-25
Improvements in Protective Devices for Electric Circuits.
FR342186A
(en )
1904-09-01
Protective conduits for electrical conductors
CH23329A
(en )
1902-08-15
Braking device on railway vehicles
ES30629A1
(en )
1902-12-01
A trolley-clamping device for overhead electric trams.