U.S. federal trademark · Serial No. 86519677 · Reg. No. 5607331
Ring-shaped packing materials used to pack oil and gas pumping equipment, comprised of fabricated thermoplastic compounds, carbon-filled polytetrafluoroethylene (PTFE), hydrogenated nitrile rubber (HNBR), or ultra-high molecular polyethylene (UHMWPE)
Ring-shaped packing materials used to pack oil and gas pumping equipment, comprised of milled metals
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.