73160788
Mar 3, 1978
Sep 5, 1978
FLEXIBLE PLASTIC COLUMN EQUIPPED WITH HIGH INTENSITY REFLECTOR BANDS FOR USE AS MARKERS FOR DAYTIME AND NIGHTTIME DELINEATIONS OF MOTOR VEHICLE PARKING AREAS, DRIVEWAYS, ENTRANCES AND EXITS; AIRPORT TAXIWAYS RUNWAYS AND THRESHOLDS; HIGHWAY AND WALKWAY OBSTRUCTIONS; AND THE LIKE
Nonmetallic Building Materials