U.S. federal trademark · Serial No. 75588076 · Reg. No. 2580579
Electronic voice/data switches; computer modems; telephone line voice/data switches; residential and commercial burglar alarms and intrusion detectors and alarms; telephone selected ringing and routing devices, namely an electronic telephone component that selectively routes incoming telephones calls to and initiates ringing on the proper extensions; telephone central office simulators, namely a telephone line ring generator to simulate a telephone office ringing signal; power converters; hands-free telephone head sets; cellular telephone antennas; automatic signaling and paging systems comprising transmitters and receivers; and fire sensors and alarms
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.