U.S. federal trademark · Serial No. 71537617 · Reg. No. 0546400
INSTRUCTING MECHANICS AND REPAIRMEN, IN METHODS OF OVERHAULING AND REPAIRING INTERNAL COMBUSTION ENGINES, PARTICULARLY TO OBTAIN PROPER OPERATION OF THE PISTONS WITHIN THE CYLINDERS THEREOF, AND IN THE SELECTION AND INSTALLATION OF PARTS FOR SAID ENGINES
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