U.S. federal trademark · Serial No. 78601853 · Reg. No. 3172402
Parts of motors and engines, namely, piston rings [, seal rings, cylinders, cylinder liners and sleeves, cam shafts, rocker arms, valve seats, valve guides, and tappets]
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.