CH6611A
(en )
1893-09-30
Innovation in electric light bulbs
CH6695A
(en )
1893-10-14
Innovation in electric light bulbs
CH5149A
(en )
1892-11-30
Innovation in electric light bulbs
ES14692A1
(en )
1893-08-16
Improvements in electric lamps.
ES14684A1
(en )
1893-08-16
Improvements in incandescent electric lamps.
CH8485A
(en )
1894-10-31
Innovation in electric light bulbs
CH7241A
(en )
1894-02-15
Suspension device for electric light bulbs
ES13857A1
(en )
1892-12-01
Improvements made to the supports applied to incandescent electric lamps.
CH6649A
(en )
1893-12-15
reflector
CH29244A
(en )
1904-07-31
Innovation in electric light bulbs
ES15640A1
(en )
1894-05-01
Improvements introduced in incandescent electric lamps.
CH5862A
(en )
1893-04-15
Light festons
ES13588A1
(en )
1892-09-01
Improvements introduced in electric incandescent lamps.
CH5804A
(en )
1893-03-31
Innovation in light bulbs
CH7005A
(en )
1894-01-31
Lampshade
ES14074A1
(en )
1893-02-01
An incandescent electric lamp with replacement incandescent wires.
GB189321379A
(en )
1894-04-28
Improvements in the Application of Electric Light for Photographic Purposes.
CH7673A
(en )
1894-06-15
Adjustable reflector
CH6632A
(en )
1893-09-30
Innovation in kerosene heating lamps
CH6544A
(en )
1893-09-15
Advanced electric lamp
CH7481A
(en )
1894-04-14
Advanced Curvimeter
CH7310A
(en )
1894-02-28
Candles series
CH6820A
(en )
1893-11-15
Gas light switch
CH31375A
(en )
1905-03-31
Electric light bulb
ES15146A1
(en )
1894-01-01
Improvements introduced in hydrocarbon lamps.