74304216
Aug 14, 1992
wireless and wired home-security alarm systems, magnetic strip card-reader system, car alarms, alarm control panels, wireless remote controllers, security auto dialers, pir motion detectors, magnetic mechanical contacts, microwave motion detectors, piezo sirens, harn devices, glass-break detectors, vibration detectors, fire detectors, gas leak detectors, smoke detectors, and alcohol detectors
Electrical and Scientific Apparatus