73171465
May 22, 1978
Jul 31, 1979
MODULAR ELECTRONIC SECURITY MONITORING AND ALARM EQUIPMENT-NAMELY, MICRO-PROCESSOR, KEYBOARD, LIQUID CRYSTAL DISPLAY, CATHODE RAY TUBE DISPLAY, REAR SCREEN SLIDE PROJECTOR, INDICATOR LIGHT, ALPHANUMERIC PRINTER, AND TELEPRINTER, AND PARTS THEREOF
Electrical and Scientific Apparatus