Filament supporting multi-planar wire insert for electric incand

Filament supporting structures in incandescent lamps and process

Filament supports for tubular electric incandescent lamps

Filament-support means for a tubular incandescent lamp

Flament support for a projection lamp

Fluorescent lamp with reduced sputtering

Halogen-cycle type incandescent lamp

Hollow lamp bridge

Incandecent lamp having high resistance to filament damage from

Incandescent lamp having an illuminant that contains a...

Incandescent lamp having an improved axial mounting structure fo

Incandescent lamp having filament with polygonal turns

Incandescent lamp having improved filament support structure

Incandescent lamp having two lead-in conductors sealed within on

Incandescent lamp having two lead-in conductors sealed within on

Incandescent lamp mount structure with shield for evaporation pr

Infrared lamp with carbon ribbon being longer than a...

Infrared thermal lamp

Lamp

Lamp filament design