U.S. federal trademark · Serial No. 71561953 · Reg. No. 0541339
UNDER-THE-CHIN HEADPHONE FOR USE IN CONNECTION WITH TRANSCRIBING MACHINES; GROUP HEARING SYSTEMS-NAMELY, CHURCHES, THEATRES, PUBLIC AUDITORIUMS, AND SCHOOLS FOR DEAFENED PERSONS; RADIO RECEPTION; TELEPHONES; LABORATORY TESTING EQUIPMENT; AND SOUND REPRODUCING MACHINES
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