CH21067A
(en )
1901-05-15
Lamp with incandescent body made of conductors, second class
CH20581A
(en )
1901-02-28
Ballast resistor for lamps with luminous bodies made of second class conductors
CN309444913S
(en )
2025-08-15
Bridge pillar lights
CH16227A
(en )
1898-10-15
Incandescent lamp with socket
CN309437687S
(en )
2025-08-12
Bridge pillar lights (1)
CH21735A
(en )
1901-09-30
Lighting device with incandescent bodies made from second class conductors
DK2057C
(en )
1899-02-20
Petroleum incandescent lamp.
ES26802A1
(en )
1900-12-01
Improvements in electric and incandescent lamps.
CH16542A
(en )
1899-02-28
Improved incandescent lamp
ES22597A1
(en )
1898-06-01
Improvement in incandescent electric lamps.
ES22117A1
(en )
1898-02-16
Improvements in incandescent electric lamps.
GB189900356A
(en )
1899-11-25
Improvements in the Manufacture of Incandescent Materials and Lamps suitable for Electric Lighting.
ES24094A1
(en )
1899-05-01
Improvements introduced in electric incandescent lamps.
CH18229A
(en )
1899-11-30
Incandescent socket
CH21736A
(en )
1901-09-30
Ignition device in electrical lighting systems with incandescent bodies made from second-class conductors
CH20485A
(en )
1901-02-15
Gas incandescent lamp
ES26010A1
(en )
1900-06-16
Improvements introduced in the manufacture and repair of electric incandescent lamps.
ES26204A1
(en )
1900-08-01
Improvements in terminals and supports for the incandescent bodies of Nernst lamps.
GB189903769A
(en )
1899-04-15
Improvements in Incandescent Oil or Spirit Lamps.
DK3431C
(en )
1900-10-08
Regenerative- Gas incandescent lamp.
GB189612884A
(en )
1897-04-10
Improvements in Lamp Globes or Shades.
CH17463A
(en )
1899-06-15
Electric lighting devices for lamps, lanterns and the like
CH19987A
(en )
1900-10-31
Electric lamp with filament made of ladders, second class
CH18955A
(en )
1900-04-30
Electric lamp with filament made of ladders, second class
CH19192A
(en )
1900-05-31
Electric lamp with filament made of ladders, second class