73583254
Feb 18, 1986
Jul 28, 1987
CONTROLS FOR ELECTRICAL LIGHTING FIXTURES, NAMELY, DIMMER AND SWITCHES, AND STRUCTURAL COMPONENTS FOR THE SAME
Electrical and Scientific ApparatusELECTRICAL LIGHTING FIXTURES, NAMELY, INDOOR AND OUTDOOR FLUORESCENT, INCANDESCENT AND HIGH INTENSITY DISCHARGE LIGHTING FIXTURES, AND DIFFUSERS AND LENSES FOR THE SAME
Environmental Control Apparatus