73217261
May 25, 1979
Jun 14, 1983
Fire Protection, Security, and Building Management Systems for Use in Multi-Story Buildings, Comprising, Sensors, Detectors, Fire Reporting Consoles Having Visual Indicators and Controls for Remote Actuation of Alarms, Fans, and Elevators, Manual Pull Fire Reporting Boxes, Digital Minicomputers, Visual Display Panels, Alarms, Door Release Mechanisms, and Permanent Record Paper Printers All Sold as a Package
Electrical and Scientific Apparatus