U.S. federal trademark · Serial No. 86871866 · Reg. No. TMA961946
Oil and gas well downhole tools in the nature of float collars, toe circulation subs, hydraulically activated toe sleeves, ball activated nozzles, ball activated valves, packers, anchor packers, liner hanger packers, stage collars for fracturing wells for oil or gas recovery
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.