U.S. federal trademark · Serial No. 71524612 · Reg. No. 0443819
RADIO RECEIVING SETS, ELECTRICALLY OPERATED PHONOGRAPHS, RADIO PHONOGRAPH COMBINATION SETS, IMPULSE GENERATORS, ELECTRICALLY OPERATED SOUND RECORDERS, SOLENOIDS, PUBLIC ADDRESS SYSTEMS AND COMPONENTS THEREOF, INCLUDING AMPLIFIER, LOUD SPEAKER, AND MICROPHONE, AND PARTS OF THE FOREGOING DEVICES
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