U.S. federal trademark · Serial No. 72434090 · Reg. No. 0991264
ELECTRONIC TRANSMITTING AND RECEIVING UNITS WHICH ARE COOPERATIVELY CONNECTED TO AN OPERATIONAL TELEPHONE LINE THEREBY PROVIDING A SYSTEM FOR AUTOMATICALLY RELAYING SIGNAL INFORMATION REGARDING ANY CHANGE FROM THE NORMAL SUCH AS BURGLARY, EQUIPMENT MALFUNCTION, FIRE, CHANGES IN TEMPERATURE, ETC
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