Metal vapor discharge lamp having configured envelope for...
Metal vapor discharge lamps
Metal vapor lamp having internal means promoting condensate film
Metal-halide arc tube and lamp having improved uniformity of azi
Method and apparatus of blocking ultraviolet radiation from...
Method and apparatus to reduce arcing in electrodeless lamps
Method of making a single-ended metal halide high-pressure disch
Miniature tubular gas discharge lamp and method of manufacture
Multi-layer oxide coating for high intensity metal halide discha