CH39400A
(en )
1908-03-02
Electrical monitoring device on railways
AT30348B
(en )
1907-10-25
Electric train cover device.
CH42255A
(en )
1909-01-16
Electric signal system
CH39399A
(en )
1908-03-02
Safety device on coupled trams
CH40256A
(en )
1908-07-01
Electrical contact clamp
CH37039A
(en )
1907-04-15
Electrical contact device
CH40951A
(en )
1908-09-01
Electric braking device on electric vehicles
ES41331A1
(en )
1907-09-01
An electrical and mechanical warning device.
ES40370A3
(en )
1907-05-01
An electrical sterilizer device.
CH39782A
(en )
1908-04-16
Rotary switch for electrical lines
CH49969A
(en )
1911-04-17
Electrical contact device
CH39853A
(en )
1908-05-01
Electric nameplate typewriter
CH39228A
(en )
1908-02-17
Electrical rail joint connection
CH43418A
(en )
1909-06-16
Electrical rail joint connection
CH37556A
(en )
1907-06-30
Electrical monitoring device for railway operating objects
FR389600A
(en )
1908-09-12
Electric current dimmer-switch-inverter
AT31735B
(en )
1908-02-10
Protection device on electric tram cars.
CH39317A
(en )
1908-02-17
Electric alarm clock
CH36119A
(en )
1906-11-30
Electrical switch locking device
AT36313B
(en )
1909-02-25
Floor switch device for electric elevators.
FR378050A
(en )
1907-09-21
Electric current amplifier device
CH41690A
(en )
1908-11-16
Carrying device
CH32923A
(en )
1905-09-30
Automatic electrical alarm device
CH39784A
(en )
1908-05-01
Fuse base for electrical lines
AT36319B
(en )
1909-02-25
Electric signal clock.