Spark plug for an internal combustion engine, having a pilot bre
Spark plug for externally ignited internal combustion engine
Spark plug with capacitor spark discharge
Spring clip for lamp with shroud
Stand lamp assembly including main and auxiliary lamp units
Starter for igniting an electric discharge tube
Starting arrangement for high-intensity-discharge sodium lamp
Systems and methods for a transformer configuration for...
Systems and methods for a transformer configuration with a...
Theft resistant compact fluorescent lighting system
Thermal insulating and impact resistant indicator light apparatu
Thermal-switch instant starter for a fluorescent light
Thick-film integrated flat fluorescent lamp
Thyratron switch for narrow pulses
Transformer, lamp base having a transformer and...
Tuned LRC ballasting circuit for compact fluorescent lighting
Ultra-compact arc discharge lamp system with an additional...
Ultraviolet radiation starting source and lamp containing same
Under-the-cabinet lighting system
Unit of electric lamp and reflector