73504974
Nov 13, 1984
Dec 17, 1985
ELECTRONIC SECURITY DEVICES, NAMELY EXIT ALARMS, MULTIPLE INPUT ELECTRONIC ALARMS DEVICES, ELECTRONIC TRANSMITTERS, ELECTRONIC PATCH BOARDS, ELECTRONIC CIRCUITRY FOR SECURITY DEVICES, BREAKING GLASS SENSORS, ALARM CONTROL PANELS, ACCESS CONTROLS, ANNUNCIATORS, ELECTRONIC PRINTERS, MONITORS FOR ALARM SIGNAL LINES, ELECTRONIC COMMUNICATING TRANSMITTERS
Electrical and Scientific Apparatus