73548786
Jul 18, 1985
Aug 12, 1986
WIRELESS BURGLAR, FIRE, SMOKE, GAS, FLOOD, INTRUSION, PANIC AND MOTION DETECTION TRANSMITTER APPARATUS AND PARTS THEREOF; GENERATORS, TRANSMITTERS, RECEIVERS AND PROCESSORS OF RADIO FREQUENCY AND ELECTRIC SIGNALS; ELECTRIC TRANSMISSION LINE SECURITY AND FAULT MONITORS; ELECTRICAL, STRUCTURAL AND MOUNTING PARTS FOR THE FOREGOING
Electrical and Scientific Apparatus