U.S. federal trademark · Serial No. 73113108 · Reg. No. 1107846
ELECTRONIC APPARATUS-NAMELY, SHUT-OFF UNITS, CLOCK/TIMERS, MULTISPEAKER/MULTI-SOURCE SELECTORS, INPUT SELECTORS, AUDIO MIXERS, SOUND-ACTIVATED CONTROLLERS, AUDIO COMPRESSORS, REMOTE SPEAKER TRANSMITTERS AND RECEIVERS, PREAMPLIFIERS AND AUDIO LEVEL INDICATORS
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