74243042
Feb 4, 1992
residential and industrial security and burglar alarm systems; namely, central monitoring stations, hardwired or wireless alarm processors, hardwired security sensors, radio receivers, annunciators, annunciator drivers, sensors, digital communicators; energy conservation sensors; energy usage sensors; and access control systems; namely, access control processors, identity card readers, diagnostic interface modules, and time and attendance software
Electrical and Scientific Apparatus