76368752
Feb 8, 2002
Dec 9, 2003
SWITCHBOARDS AND CONSOLES FOR CONTROLLING LIGHTING LEVELS FROM INCANDESCENT AND DISCHARGE LIGHTING SOURCES IN THEATER, TELEVISION, MOTION PICTURE, ARCHITECTURAL, COMMERCIAL AND INDUSTRIAL APPLICATIONS; ELECTRICAL WIRING DEVICES, NAMELY, SWITCHES, RECEPTACLES, AND LIGHTING CONTROLS
Electrical and Scientific Apparatus