73828052
Sep 28, 1989
Oct 9, 1990
SURVEILLANCE EQUIPMENT, NAMELY, CLOSED CIRCUIT TELEVISION CAMERAS AND MONITORS, VIDEO SWITCHING EQUIPMENT, NAMELY, SEQUENTIAL SWITCHES, SWITCHERS, AND CONTROLLERS, AND COMBINATIONS THEREOF, COMPUTER SOFTWARE FOR CONTROLLING SURVEILLANCE EQUIPMENT, TIME-LAPSE VIDEO CASSETTE RECORDERS, AND ACCESSORIES THEREFOR, NAMELY, MECHANICAL MOUNTING AND POSITIONING DEVICES
Electrical and Scientific Apparatus