Par lamp
Par lamp with negative draft neck and method of assembling...
Par spot lamp
Phase-control power controller with digital rms load voltage...
Pinch seal structure for electric incandescent lamp
Pinch-sealed electric lamps
Plastic based glass halogen lamp
Pressure relief hole seal for beam
Process for producing a supply conductor for a lamp, and...
Process for providing a landless through-hole connection
Production of tungsten halogen lamps
Projection filament lamp
Protected structural and construction materials