CH65428A
(en )
1914-06-16
Contact device on elevators with lateral clearance intended for pulling up lamps
ES33325A1
(en )
1904-03-01
Improvements in electric incandescent lamps and switches.
CH37525A
(en )
1907-06-15
Protective cage for electric lamps
CH40495A
(en )
1908-07-16
Photometer for electric lamps
CH29359A
(en )
1904-08-15
Incandescent bodies for electric lamps
CH29358A
(en )
1904-08-31
Incandescent bodies for electric lamps
AT23729B
(en )
1906-04-10
Power supply device for electric railways.
AT20934B
(en )
1905-08-10
Device for counting the speaking time at telephone stations.
DK7120C
(en )
1904-11-28
Device for electric incandescent lamps with long metallic incandescent wires.
ES35092A2
(en )
1905-01-16
Improvements in electrical lighting and power systems.
CH48831A
(en )
1910-12-01
Electric lighting device on looms
CH38536A
(en )
1907-11-15
Suspension device for electric lamps
CH30260A
(en )
1904-11-30
Electric incandescent lamp
DK6793C
(en )
1904-08-01
Brake device for the moving Carbon in electric Arc lamps.
ES41043A1
(en )
1907-07-16
Improvements in incandescent electric lamps.
FR355942A
(en )
1905-11-16
AC current curve analyzer
ES43717A3
(en )
1908-09-01
Improvements in electric incandescent lamps with metallic filaments.
CH33273A
(en )
1905-11-15
Electric distribution line with generators at various points
AT23766B
(en )
1906-04-10
Removable attachment for electric flashlights with colored glasses.
ES31324A1
(en )
1903-05-01
Improvements in electric lamps.
CH31382A
(en )
1905-03-31
Device for electrical character transmission between two stations
ES38597A1
(en )
1906-08-01
An electric arc regulator lamp with incandescent block.
DK6724C
(en )
1904-07-11
Apparatus for electric Lighting.
DK7298C
(en )
1905-02-13
Device for electric light bulbs.
ES33098A3
(en )
1904-02-16
Improvements in the manufacture of electric incandescent lamps.