73446330
Oct 3, 1983
Oct 16, 1984
Electric and Electronic Alarm Systems and Replacement Parts Therefor, Comprising Consoles that Receive and Re-Transmit Signals, Switch Boards, Power Supplies, Circuit Registers, Circuit Recorders, Control Panels for Alarm Systems, Alarm Boxes, Alarm Sending Stations, Alarm Transmitters, Alarm Box Pedestals, Phone Emergency Call Boxes, Electro-Mechanical Annunciators, Electronic Annunciators, Tape or Paper Take-Up Reels, Automatic Night Light Switches, Supervisory Trouble-Indicating Panels, Splice-Type Connectors, Ground Rod Extensions, Shunts, Tappers and Tapper Desk Mounts
Electrical and Scientific Apparatus