75414647
Jan 7, 1998
Jul 24, 2001
Security equipment, namely card access units, access cards, card readers, biometrics units, combined card and key readers, combined card and keypad units, electric locks, entry control units, exit units, key control units, video imaging units, annunciators, audio detectors, glass breakage detectors, motion detectors, closed circuit television surveillance and communications units, intercoms, and public address units
Electrical and Scientific Apparatus