73026487
Jul 11, 1974
Dec 23, 1975
MICROPHONE STANDS, MULTIPLE MICROPHONE CONNECTORS, HEADPHONES, CARRY CASES FOR MICROPHONES, INTERCONNECTION BOXES FOR MULTIPLE HEADPHONES, LISTENING CENTERS CONSISTING OF MULTIPLE HEADPHONES, TOGETHER WITH HEADPHONE TOTE BOXES HAVING BUILT-IN JACK BOXES, VOLUME LEVEL METERS, AND AUDIO MONITORS, CASSETTE AND REEL-TO-REEL TAPE RECORDERS AND TAPE DECKS, RECORD PLAYER DECKS
Electrical and Scientific Apparatus