75083808
Apr 4, 1996
May 19, 1998
home and business automation systems comprised of a telephone unit, namely, a telephone and automatic dialer, and a central control unit for receiving signals from sensors and activating alarms; home and business control systems comprised of a telephone unit, namely, a telephone and automatic dialer, and a central control unit for receiving signals from sensors and activating alarms; and home and business security systems comprised of a telephone unit, namely, a telephone and automatic dialer, and a central control unit for receiving signals from sensors and activating alarms
Electrical and Scientific Apparatus