76105085
Aug 8, 2000
Dec 28, 2004
RESIDENTIAL FIRE DETECTORS HAVING INTERCONNECTED SMOKE, HEAT, AND CARBON MONOXIDE SENSORS POSITIONED IN AN INDEPENDENT HOUSING FOR DETECTING MULTIPLE AMBIENT AIR CONDITIONS INDICATIVE OF A FIRE, MARKETED ONLY THROUGH IN-HOME SALES, AND NOT BEING PART OF A LARGER SECURITY SYSTEM
Electrical and Scientific Apparatus