Termination fixture for an electrodeless lamp
Tertiary field tuning of positive anode magnetron
Theft resistant compact fluorescent lighting system
Thermal baffle inside a discharge lamp
Thermal insulating and impact resistant indicator light apparatu
Thermal switch and dual filament long life lamp
Thermal switch assembly for electric lamps
Thermal-switch instant starter for a fluorescent light
Therminoic fault current limiter and method of current limiting
Thick film resistor for use in a vacuum and a high pressure disc
Thick-film integrated flat fluorescent lamp
Three (3)-way lamp having a tungsten halogen inner envelope
Three-way brightness fluorescent lampholder fitting
Three-way compact fluorescent lamp system utilizing an electroni
Thyratron switch for narrow pulses
Time fuse for high pressure sodium lamps
Touch control lamp socket interior
Touch-responsive socket
Tough-responsive electric light socket
Transformer, lamp base having a transformer and...