BELTRON
SECURITY SYSTEMS AND BURGLAR ALARMS COMPOSED OF WINDOW AND DOOR CONTACTS, WIRELESS TRANSMITTERS, ALARMS, MOTION DETECTORS, GLASS-BREAK DETECTORS, SMOKE DETECTORS AND APPARATUS RELATING THERETO, WHICH, WHEN ACTIVATED, PROVIDE AUDIBLE SOUND AT THE SITE OF ACTIVATION OR, VIA DIGITAL TELEPHONE DIALER, PROVIDES NOTIFICATION TO A DESIGNATED CENTRAL STATION
Cancelled · February 22, 1988 · 73712547 ·