74174659
May 20, 1991
Sep 8, 1992
access control and alarm monitoring systems; namely, control modules, control panels, door and gate control equipment, card readers and keys, weigand readers, cards and keys, proximity readers and cards, biometric readers, lock hardware, modems, communications links, computers, printers, programs, software, key pads, and intrusion and fire protection equipment
Electrical and Scientific Apparatus