U.S. federal trademark · Serial No. 77675847 · Reg. No. 3920342
Ring shaped packing materials used to pack oil and gas drilling equipment, comprised of fabricated thermoplastic compounds, carbon-filled polytetrafluoroethylene (PTFE), hydrogenated nitrile rubber (HNBR), ultra-high molecular polyethylene (UHMWPE)
Ring-shaped packing materials used to pack oil and gas drilling equipment,comprised of milled steel
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.