CH39099A
(en )
1908-02-01
Incandescent bodies for electric lamps
CH33511A
(en )
1905-12-15
Incandescent bodies for electric light bulbs
CH29359A
(en )
1904-08-15
Incandescent bodies for electric lamps
CH29358A
(en )
1904-08-31
Incandescent bodies for electric lamps
CA125799A
(en )
1910-05-17
Electric incandescent lamp
CH37525A
(en )
1907-06-15
Protective cage for electric lamps
CH40495A
(en )
1908-07-16
Photometer for electric lamps
CH38536A
(en )
1907-11-15
Suspension device for electric lamps
ES43286A1
(en )
1908-07-01
An incandescent body for electric lamps with its manufacturing process.
CH36562A
(en )
1907-01-31
Raw filament for electric light bulbs
CH37526A
(en )
1907-06-15
Electric light bulb
ES39482A1
(en )
1906-12-16
Improvements in incandescent electric lamps.
CH39971A
(en )
1908-05-16
Suspension device for electric lighting fixtures
ES37802A1
(en )
1906-04-01
An incandescent body with its corresponding manufacturing process for incandescent lamps.
CH36859A
(en )
1907-03-15
Electric pocket light bulb
CH41059A
(en )
1908-09-16
Electric incandescent lamp for direct and indirect lighting
CH41495A
(en )
1908-11-02
Bowl holder for electric light bulbs etc.
CH30935A
(en )
1905-02-15
Cup holders for electric lamps
CH38085A
(en )
1907-08-31
Incandescent socket
FR366346A
(en )
1906-10-02
Socket for electric lamps
CH41676A
(en )
1908-11-16
Rotatable support for electric lamps to be attached to the ceiling
CH64570A
(en )
1914-04-16
Equivalent resistor for electric lamps
CH30260A
(en )
1904-11-30
Electric incandescent lamp
CH73965A
(en )
1916-12-16
Incandescent bodies for electric light bulbs
ES38460A1
(en )
1906-07-16
A process for manufacturing metallic incandescent bodies for electric incandescent lamps.