74377589
Apr 12, 1993
Aug 13, 1996
[ data communication equipment, namely loop attachment adaptors, alarms, loop attachment adaptor testers, loop wiring concentrators, plug modules, multi-station access units, switches, loop diagnostic panels, controller/register loop boxes, controller/ register wall boxes, storage retention batteries, assembly cables, automatic serial loop managers, electronic computer based system comprising and optical modules, computer and computer software for counting people and for correlating that information to point-of-sale transaction data ]
Electrical and Scientific Apparatus