U.S. federal trademark · Serial No. 78261056 · Reg. No. 2883330
Locking and sealing profiles for downhole tools for use in oil and gas wells, namely, lock mandrels, circulating devices with rotary or sliding sleeve valves, downhole safety valves, packers, plugs, nipples, wellheads and wellhead plugs
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.