U.S. federal trademark · Serial No. 76459886 · Reg. No. 2921971
Carbon metal coatings containing synthetic or natural diamonds for use in gas and oil well pumps and parts, namely, barrels, valves, valve rods, valve rod bushings, threaded shafts, gears, rotors, chokes and plungers
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.