74279923
Jun 1, 1992
security systems for monitoring instrusion and/or particles of combustion, and medical response systems for summoning medical assistance, comprising controllers and keypads
Electrical and Scientific Apparatusinstallation and maintenance of security systems for monitoring instrusion and/or particles of combustion, and medical response systems
Building Construction and Repairmonitoring security systems and notifying subscribers and emergency departments about emergencies and/or abnormal conditions
Computer and Scientific