U.S. federal trademark · Serial No. 71607276 · Reg. No. 0559598
INTERNAL COMBUSTON ENGINE OPERATION AND EFFICIENCY INDICATOR ADAPTED TO BE MOUNTED ON THE DASH OF AN AUTOMOTIVE VEHICLE, IN THE NATURE OF A VACUUM GAUGE WHICH CHECKS ALL ELEMENTS OF ENGINE OPERATION, INCLUDING CARBURETOR ADJUSTMENT, IGNITION TIMING, VALVE ADJUSTMENT, ETC.
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.