CH64820A
(en )
1914-05-01
Signaling device for the warning of line workers on railroad tracks
CH64361A
(en )
1914-04-01
Device for signaling the departure times of trains
CH51044A
(en )
1911-07-17
Device for warning of railway trains on the open route by means of signal lamps
CH55845A
(en )
1912-09-16
Signaling device for railways
CH73996A
(en )
1916-12-16
Device for preventing railroad tracks from moving
CH78011A
(en )
1918-10-16
Device for preventing railroad tracks from moving
CH56054A
(en )
1912-10-01
Signaling device for railway trains
FR451476A
(en )
1913-04-19
Signaling device for railway tracks
CH54060A
(en )
1912-04-16
Device to prevent the stop signal from being run over on railway trains
CH54958A
(en )
1912-07-01
Inclinometer with signaling device for the purposes of aviation
CH54800A
(en )
1912-06-17
Device for fastening railroad tracks on the sleepers
DK21345C
(en )
1916-07-10
Railway signaling system.
DK16930C
(en )
1913-01-27
Bang signal for railway use.
CH66633A
(en )
1914-09-16
Signaling device in railway systems
CH61116A
(en )
1913-09-01
Signaling device for railways
FR418807A
(en )
1910-12-20
Safety device for railway tracks
AT83031B
(en )
1921-03-10
Device for the automatic stopping of railway trains.
FR425179A
(en )
1911-06-03
Warning device for railways
CH47208A
(en )
1910-06-01
Block signaling device on railways
CH48025A
(en )
1910-09-01
Block signaling device on railways
FR19707E
(en )
1915-07-06
Safety device for railway tracks
FR475012A
(en )
1915-04-06
Safety device for railway tracks
CH69103A
(en )
1915-05-17
Railway signal system
CH61643A
(en )
1913-10-01
Device for preventing railroad tracks from moving
DK17788C
(en )
1913-09-08
Signaling device for Vehicles.