Electric lamp and interference film

Electric lamp having an outer bulb

Electric lamp having optical interference filter of alternating

Electric lamp having retaining pinches for the luminous element

Electric lamp with a coating containing a metal oxide pigment fo

Electric lamp with feedthrough comprising a gauze

Electric lamp with inner assembly and outer bulb and method...

Electric lamp with optical interference coating

Electric lamp with outer bulb and associated support body

Electric light bulb and coating method of electric light bulb

Electrode alignment and capsule design for single-ended low watt

Electrodeless fluorescent lamp

Electrodeless fluorescent lamp with controlled cold spot...

Electrodeless gas discharge lamp assembly having...

Electrodeless high intensity discharge lamps

Electrodeless inductively-coupled fluorescent lamp with improved

Electrodeless lamp

Electrodeless lamp for emitting ultraviolet and/or vacuum...

Electrodeless low-pressure sodium vapor discharge lamp having a

Electrodeless self-ballasted fluorescent lamp and...