72257697
Nov 1, 1966
Oct 28, 1969
VEHICULAR TRAFFIC CONTROL EQUIPMENT-NAMELY, TRAFFIC SIGNAL HEADS; TRAFFIC SIGNAL CONTROLLERS, INCLUDING ELECTRONIC ELECTRO-MECHANICAL, AND ELECTRICAL APPARATUS FOR SELECTIVELY ILLUMINATING THE LAMPS IN THE TRAFFIC SIGNAL HEADS; MAGNETIC VEHICLE DETECTORS; SONIC VEHICLE DETECTORS; AND PRESSURE SENSITIVE VEHICLE DETECTORS
Housewares and Glass