CH2588A
(en )
1891-02-14
Innovation in incandescent bodies for electric light bulbs
CH2530A
(en )
1891-02-14
Innovation in incandescent bodies for electric light bulbs
CH2531A
(en )
1891-02-14
Innovation in incandescent bodies for electric light bulbs
CH2586A
(en )
1891-02-14
Innovation in incandescent bodies for electric light bulbs
CH2587A
(en )
1891-02-14
Innovation in incandescent bodies for electric light bulbs
CH2537A
(en )
1891-02-14
Innovation in incandescent bodies for electric vacuum light bulbs
CH450A
(en )
1889-03-25
Electric light bulb for series connection
CH17616A
(en )
1899-07-15
Incandescent bodies for electric light bulbs
CH17617A
(en )
1899-07-15
Incandescent bodies for electric light bulbs
CH433A
(en )
1889-03-25
Holders for electric light bulbs
ES11619A1
(en )
1891-02-16
Improvements in support devices for electric incandescent lamps.
CH11584A
(en )
1896-08-31
Socket for electric light bulbs
CH2591A
(en )
1891-01-31
Electric arc lamp
CH614A
(en )
1889-06-06
Innovations in lighting with electric incandescent light
CH33511A
(en )
1905-12-15
Incandescent bodies for electric light bulbs
CH73965A
(en )
1916-12-16
Incandescent bodies for electric light bulbs
CH13070A
(en )
1897-04-30
Luminaries for electric light bulbs
CH5149A
(en )
1892-11-30
Innovation in electric light bulbs
CH74281A
(en )
1917-02-01
Base for electric light bulbs
CH4051A
(en )
1892-02-15
Electric light bulb without platinum
ES9263A1
(en )
1889-04-16
For improvements in lighting by means of incandescent electric lamps.
CH11579A
(en )
1896-07-31
Floor lamp for electric incandescent light
CH21068A
(en )
1901-05-31
Electric light bulb
CH11366A
(en )
1896-06-15
Ceiling lamp for electric car lighting
ES14684A1
(en )
1893-08-16
Improvements in incandescent electric lamps.