CH66390A
(en )
1914-09-01
Device for fastening busbars in electrical switchgear
CH68395A
(en )
1915-03-16
Device for power distribution in electrical installations
CH71393A
(en )
1916-01-03
Method and device for interrupting electric arcs
CH63086A
(en )
1914-01-02
Electrical device for displaying the insertion of objects in letter boxes
CH69402A
(en )
1915-06-16
Device for removing the insulation from electrical conductors
CH58320A
(en )
1913-03-01
Switching in electrical block works
CH53662A
(en )
1912-03-16
Device for fastening electrical devices in boxes with cover plates for wall use
FR474839A
(en )
1915-03-22
Switchgear for electrical conduits, sockets, fittings, sockets and similar applications
CH58784A
(en )
1913-04-01
Device for the electrical display of characters
CH57684A
(en )
1913-01-16
Device for electrical signaling from or to vehicles
AT82840B
(en )
1921-02-25
Clamping device for fastening electrical cables on insulators.
AU1073413B
(en )
1914-10-13
Improvements in electrical signs
FR19638E
(en )
1915-05-05
Switchgear for electrical conduits, sockets, fittings, sockets and similar applications
CH58071A
(en )
1913-02-17
Device for reducing the energy loss in lines for variable electrical currents
CH64626A
(en )
1914-04-16
Abrasive hoops to collect electricity from electric railways
ES55262A1
(en )
1913-06-01
Improvements in electrical insulators.
CH54570A
(en )
1912-06-01
Device for regulating electric arc lamps
CH48002A
(en )
1910-09-01
Equipment in electrical apparatus for switching over groups of turns
CH69247A
(en )
1915-06-16
Device for the electrical remote transmission of movements
CH63624A
(en )
1914-02-02
Circuit breaker on electric clocks
CH67995A
(en )
1915-02-16
Device for the transmission of electrical currents between railway vehicles
CH55629A
(en )
1912-09-02
Device for protecting electrical cables through walls etc. at their bending points
CH63426A
(en )
1914-02-02
Device for controlling the electrical current of a main power line connected to a meter
CH73725A
(en )
1916-11-16
Device for attaching electrical lead wires to insulating bodies
CH72425A
(en )
1916-05-16
Device for switching electrical circuits on and off