CH41677A
(en )
1908-11-16
Incandescent lamp with hanging, bow-shaped metal filaments
CH44314A
(en )
1909-08-02
Incandescent lamp with hanging, bow-shaped metal filaments
DK9336C
(en )
1907-02-25
Metal filament for electric incandescent lamps.
ES44509A2
(en )
1909-03-16
An incandescent lamp with elastically suspended metal filaments.
CH40827A
(en )
1908-09-01
Incandescent electric lamp, at least of the filaments
CH40932A
(en )
1908-09-01
Electric light bulb with U-shaped bent, supported metal threads
CH41060A
(en )
1908-09-16
Metal filament light bulb
CH44179A
(en )
1909-07-16
Metal filament light bulb
DK9785C
(en )
1907-07-08
Self-regulating electric Arc lamp with Incandescent.
DK11916C
(en )
1909-03-08
Incandescent lamp with an emission-sensitive filament, preferably a metal incandescent wire.
ES44453A2
(en )
1909-03-16
An incandescent electric lamp with elastically suspended metal filaments.
FR393888A
(en )
1909-01-08
Metal filaments for electric incandescent lamps
DK10509C
(en )
1908-02-17
Metal wire incandescent lamps with refractory wire holders.
FR376413A
(en )
1907-08-08
Filament for incandescent lamps
CH40110A
(en )
1908-06-01
Filament for incandescent lamps
DK10608C
(en )
1908-03-09
Electric incandescent lamp with U- or V-shaped, supported metal wire.
CH40695A
(en )
1908-08-17
Electric light bulb with supported metal filaments
ES43039A1
(en )
1908-05-16
An incandescent lamp with shock-sensitive filaments, preferably metallic incandescent filaments.
CH40112A
(en )
1908-06-01
Electric light bulb with several metal filament brackets
CA107743A
(en )
1907-10-01
Incandescent lamp filament
FR387609A
(en )
1908-07-18
Hanging Horseshoe Filament Incandescent Lamp
DK10559C
(en )
1908-02-24
Electric Incandescent Lamp with Supported Metal Incandescent Wire.
ES40459A1
(en )
1907-05-01
An improved process for the manufacture of filaments for incandescent lamps.
CH40694A
(en )
1908-08-17
Lamp base with thread holder for filaments from metal filament lamps
CH54431A
(en )
1912-05-17
Incandescent lamp with metal filaments