RICH ENGINEERING INC.

RICH

ANNUNCIATORS, TIME SELECTOR AND CONTROL PANELS; PROTECTIVE ENCLOSURES FOR DOOR LIGHTS; INDICATOR PANELS; LOUDSPEAKER BAFFLES; PROGRAMMING, CHANNEL SELECTOR AND CONTROL CONSOLES; SPEAKER WALL AND CORNER AND SURFACE BAFFLES; VOLTAGE GENERATING UNITS; EQUIPMENT CABINETS AND RACKS, INCLUDING PANEL RACKS, FOR SOUND SYSTEM COMPONENTS; AMPLIFIERS AND AMPLIFIER STRIPS; INTERCOMMUNICATION SYSTEMS; TELEPHONE SWITCHBOARDS; ANNUNCIATOR SWITCH PANELS; AMFM TUNERS; PHONOGRAPH DRAWERS; SOUNDNOISE-RATIO CONTROL UNITS; LAVATORY, DUTY AND BEDSIDE STATIONS FOR HOSPITAL USE; DOCTORS' ENTRANCE UNITS; AND CENTRAL CONTROL STATIONS FOR AUTOMATIC DIGITAL INTERCOMMUNICATION EXCHANGE SYSTEMS;