CH5668A
(en )
1893-02-15
Two-part holder for electric light bulbs
CH7241A
(en )
1894-02-15
Suspension device for electric light bulbs
ES14074A1
(en )
1893-02-01
An incandescent electric lamp with replacement incandescent wires.
CH433A
(en )
1889-03-25
Holders for electric light bulbs
CH6506A
(en )
1893-11-30
Advanced lamp holder for electric lamps
CH3632A
(en )
1892-02-15
Incandescent lamp for three-phase current
CH6250A
(en )
1893-07-31
Electric light bulb with replacement filaments
CH6362A
(en )
1893-08-15
Electric light bulb with replacement filaments
CH6181A
(en )
1893-07-31
Apparatus for electric ball-arc light
ES13588A1
(en )
1892-09-01
Improvements introduced in electric incandescent lamps.
CH4845A
(en )
1892-08-15
Light holder
CH7842A
(en )
1894-06-30
Pulling device for electric light bulbs
CH5446A
(en )
1892-12-31
Improved incandescent lamp
CH5435A
(en )
1892-12-31
Improvement on incandescent lamps
CH6355A
(en )
1893-08-15
Cables for electric light conductors
CH2483A
(en )
1890-11-15
Automatic electrical lighting apparatus for medical purposes
CA41291A
(en )
1892-12-17
Electric lamp holder
CH37070A
(en )
1907-04-15
Holder for metallic filaments of electric light bulbs
CH5149A
(en )
1892-11-30
Innovation in electric light bulbs
ES14684A1
(en )
1893-08-16
Improvements in incandescent electric lamps.
CH4847A
(en )
1892-08-15
Electric point machine
CH5095A
(en )
1892-10-15
New push button for electrical cables
CH11366A
(en )
1896-06-15
Ceiling lamp for electric car lighting
CH6800A
(en )
1893-10-31
Candle holder
CH31251A
(en )
1905-03-15
Elevator device for electric light bulbs