CH35413A
(en )
1906-08-15
Railway track with a running track embedded in a concrete block
CH40591A
(en )
1908-08-01
Reinforced concrete railway sleeper
CH42841A
(en )
1909-04-16
Reinforcement of the floating rail joint on railway tracks with cross sleepers
FR356015A
(en )
1905-11-18
Improvements in reinforced concrete railway sleepers
FR384463A
(en )
1908-04-10
Reinforced concrete railway sleeper
FR361424A
(en )
1906-06-26
Railway sleepers
FR361239A
(en )
1906-05-26
Rail on concrete outrigger
FR393485A
(en )
1908-12-23
Reinforced concrete sleepers
FR370074A
(en )
1907-01-28
Elastic outriggers, in reinforced concrete and asphalt, for railways
AT41041B
(en )
1910-02-25
Concrete iron sleeper.
FR367443A
(en )
1906-10-29
Rail sleepers
FR388556A
(en )
1908-08-17
Reinforced concrete sleeper for railway tracks
FR356932A
(en )
1905-12-13
Improvements in railway sleepers
FR371196A
(en )
1907-02-28
Railroad barrier
CH38434A
(en )
1907-10-15
Reinforced concrete sleeper for railroad tracks
FR12540E
(en )
1910-09-30
Railroad track closers
FR416608A
(en )
1910-10-25
Reinforced concrete railway sleeper
FR396935A
(en )
1909-04-24
Railroad joint
ES42384A1
(en )
1908-02-01
A device for fastening the rails in the reinforced concrete sleepers.
CH48195A
(en )
1910-09-16
Concrete sleeper for railways
FR10564E
(en )
1909-07-30
Reinforced concrete sleeper for railway tracks
AT45289B
(en )
1910-12-10
Fastening device for screw bolts in wooden rail sleepers.
FR374652A
(en )
1907-06-20
Reinforced cement railway sleeper
AT44116B
(en )
1910-09-26
Concrete sleeper.
FR368146A
(en )
1906-11-19
Railroad joint