CH5836A
(en )
1893-04-29
Innovation in portable lamp stands for electrical room lighting
CH5149A
(en )
1892-11-30
Innovation in electric light bulbs
CH5779A
(en )
1893-03-15
Innovation in hanging lamps
CH6006A
(en )
1893-05-15
Electric arc lamp
ES13588A1
(en )
1892-09-01
Improvements introduced in electric incandescent lamps.
CH5668A
(en )
1893-02-15
Two-part holder for electric light bulbs
CH4557A
(en )
1892-06-30
Innovation in kerosene lamps
CH450A
(en )
1889-03-25
Electric light bulb for series connection
CH6544A
(en )
1893-09-15
Advanced electric lamp
CH6611A
(en )
1893-09-30
Innovation in electric light bulbs
CH6695A
(en )
1893-10-14
Innovation in electric light bulbs
CH5435A
(en )
1892-12-31
Improvement on incandescent lamps
CH8485A
(en )
1894-10-31
Innovation in electric light bulbs
CH3632A
(en )
1892-02-15
Incandescent lamp for three-phase current
ES14684A1
(en )
1893-08-16
Improvements in incandescent electric lamps.
CH5804A
(en )
1893-03-31
Innovation in light bulbs
CH5446A
(en )
1892-12-31
Improved incandescent lamp
ES14692A1
(en )
1893-08-16
Improvements in electric lamps.
ES14074A1
(en )
1893-02-01
An incandescent electric lamp with replacement incandescent wires.
ES15640A1
(en )
1894-05-01
Improvements introduced in incandescent electric lamps.
CH6998A
(en )
1893-12-15
Advanced Incandescent Electric Lamp
CH6999A
(en )
1893-12-15
Advanced Incandescent Electric Lamp
CH7166A
(en )
1894-01-31
Electric arc lamp
CH11366A
(en )
1896-06-15
Ceiling lamp for electric car lighting
CH9416A
(en )
1895-06-15
Electric arc lamp