U.S. federal trademark · Serial No. 71499838 · Reg. No. 0428497
PENETRATING OIL FOR USE IN TUNING INTERNAL COMBUSTION ENGINES, REMOVING SLUDGE AND CARBON FROM PISTON RINGS, FROM INTERNAL COMBUSTION ENGINES AND HAVING INCIDENTAL PROPERTY OF REMOVING CARBON FROM SPARK PLUGS AND LUBRICATING CLOSELY FITTED PARTS WHERE PENETRATION IS NECESSARY
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