U.S. federal trademark · Serial No. 85567147 · Reg. No. 4229629
ring-shaped packing materials used to pack oil and gas drilling equipment, comprised of milled steel
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)
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.