U.S. federal trademark · Serial No. 79123101 · Reg. No. 4438013
Electrotechnical and electronic apparatus, namely, circuit boards, telephones, public address systems, switchboards, and voice, data and signal processors; electric and electronic telecommunication apparatus, namely, telephones, antennas, microphones, loudspeakers, radio communication stations in the nature of radio receivers and transmitters, broadcasting stations in the nature of transmitting and receiving apparatus for radio broadcasting, amplifiers, exchange processor boards and paging equipment; calling, exchange and intercommunication apparatus, namely, intercoms and public address systems; [ electric and electronic control and regulation apparatus, namely, electronic regulation and control devices for the operation of light emitting diodes; ] control pulse transmitting apparatus, namely, transmitters, receivers and transceivers of electronic signals
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