9 INTERNAL COMBUSTION ENGINE EMISSION TESTING EQUIPMENT-NAMELY, ROAD SPEED METERS AND METERS FOR INDICATING THE HYDROCARBON, CARBON MONOXIDE AND NITRIC OXIDE CONTENT OF ENGINE EXHAUST GAS AT IDLE AND VARIOUS ROAD SPEEDS
Trademark Events
Nov 4, 1996
Expired Sec. 9
Nov 18, 1981
Registered - Sec. 8 (6-Yr) Accepted & Sec. 15 Ack.