75750864
Jul 14, 1999
Jun 24, 2003
Intrusion detectors, namely buried or aerial cable sensors, microphonic cable disturbance sensors, fence mounted detection sensors, electrostatic field disturbance senors, video motion sensors, microwave sensors, networking and display/control devices; parts for intrusion detection systems, namely sensor cables, connectors, transponders, transducers, transceivers, multiplex alarm monitors and procecessors, keypads, keyboards, display monitors, video display terminals, signal processors, central processing units, control switches, power supplies, lightning arrestors, weather station sensors, encryption systems, infrared illuminators, display panels
Electrical and Scientific Apparatus