CH31246A
(en )
1905-03-15
Installation on electric vapor lamps to start the same
FR343943A
(en )
1904-10-19
Electric lamps
DK7120C
(en )
1904-11-28
Device for electric incandescent lamps with long metallic incandescent wires.
AT25139B
(en )
1906-07-25
Device for regulating electrical lighting systems.
CH30879A
(en )
1905-02-15
Electric ignition device
CH32493A
(en )
1905-07-31
Electric steam lamp
CH30260A
(en )
1904-11-30
Electric incandescent lamp
CA89754A
(en )
1904-10-25
Electric lamp
CA87714A
(en )
1904-06-07
Electric lamp
CA91575A
(en )
1905-01-21
Electric lamp
CA94000A
(en )
1905-07-04
Electric lamp
CH31375A
(en )
1905-03-31
Electric light bulb
FR350274A
(en )
1905-12-18
Dynamo collector
FR357872A
(en )
1906-01-18
Improvements to electric vapor lamps
FR339855A
(en )
1904-06-21
Improvements made to electric vapor lamps
DK12666C
(en )
1909-11-01
Electric Lighting Fixture.
FR342458A
(en )
1904-09-08
Electrical insulators
CH35993A
(en )
1906-11-15
Electric candle lamp
FR406380A
(en )
1910-01-28
System for varying the lighting power of electric lamps
CH33402A
(en )
1905-11-30
Installation on arc lamps with convergent electrodes for magnetic influence on the arc
CH33403A
(en )
1905-12-15
Installation on arc lamps with convergent electrodes for magnetic influence on the arc
CH33404A
(en )
1905-12-15
Installation on arc lamps with convergent electrodes for magnetic influence on the arc
FR359436A
(en )
1906-03-26
Improvements to electric mercury vapor lamps
AT25154B
(en )
1906-08-10
Installation of photographic curve tracers for the investigation of variable electrical phenomena.
CH31660A
(en )
1905-04-30
Electric spark plug