U.S. federal trademark · Serial No. 73031175 · Reg. No. 122116
RADIO AND TELEVISION APPARATUSES, GRAMOPHONES, TAPE RECORDING AND REPRODUCING SETS, TELEPHONES, TELEPHONE SWITCHBOARDS, AMPLIFIERS, AMPLIFIER RACKS FOR CENTRAL RADIO INSTALLATIONS, ANTENNAS, PARTS FOR SUCH APPARATUSES, ESPECIALLY LOUDSPEAKERS, MICROPHONES, PRINTED CIRCUITS, RELAYS, SELECTORS, CURRENT SUPPLY UNITS, ELECTRONIC TUBES AND TRANSISTORS
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