U.S. federal trademark · Serial No. 74342148 · Reg. No. 1787853
downhole equipment for sealing intervals within a well; namely, retrieveable, permanent and drillable packers, seating nipples, landing nipples, expansion joints, sliding sleeves, locks, stops, plugs and equalizing subs
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.