U.S. federal trademark · Serial No. 90105020 · Reg. No. TMA1127470
Oil and gas well completion tools, namely, well intervention tools being downhole shiftable valves and downhole fracturing valves for use in controlling the flow and movement of fluids, pipeline isolation machine tools for use in controlling the flow and movement of fluids, and steam injection valves for use in controlling the flow and movement of fluids
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