CH54614A
(en )
1912-06-01
Device for preventing railroad tracks from moving
CH61643A
(en )
1913-10-01
Device for preventing railroad tracks from moving
FR466135A
(en )
1914-05-05
Apparatus for checking railway tracks
FR433108A
(en )
1911-12-26
Advanced needle for railway tracks
CH73996A
(en )
1916-12-16
Device for preventing railroad tracks from moving
CH78011A
(en )
1918-10-16
Device for preventing railroad tracks from moving
CH62999A
(en )
1914-01-02
Automatic device for preventing railway trains from colliding
CH52659A
(en )
1911-12-16
Device for grinding railway rails
AT83031B
(en )
1921-03-10
Device for the automatic stopping of railway trains.
CH55292A
(en )
1912-08-01
Device for the prevention of railway collisions
CH55139A
(en )
1912-07-16
Device for the automatic stop of railway trains
CH55293A
(en )
1912-08-01
Train cover device for the prevention of railway collisions
CH55294A
(en )
1912-08-16
Train cover device for the prevention of railway collisions
CH55291A
(en )
1912-08-01
Device for the prevention of train collisions
CH43859A
(en )
1909-06-16
Device for fastening railroad tracks
CH57888A
(en )
1913-02-17
Device for stopping railway trains
CH59814A
(en )
1913-06-02
Device for stopping railway trains
CH62499A
(en )
1913-12-01
Device for stopping railway trains
CH81273A
(en )
1919-07-16
Device for preventing railroad tracks from moving
CH31266A
(en )
1905-03-15
Device for preventing railroad tracks from moving
CH58810A
(en )
1913-04-01
Device for preventing derailment of railroad cars
CH54800A
(en )
1912-06-17
Device for fastening railroad tracks on the sleepers
CH64361A
(en )
1914-04-01
Device for signaling the departure times of trains
CH52207A
(en )
1911-11-01
Device for preventing railway trains from colliding
CH59027A
(en )
1913-04-16
Device for the optional operation of apparatus