U.S. federal trademark · Serial No. 77262494 · Reg. No. 3613199
oil and gas well completion tool used for placement down-hole in a well bore of an oil and/or gas well, namely, flow control valves for regulating the flow of gases and liquids, said completion tool used in connection with drill strings, and sand control screens and tubes, for controlling the inflow of oil, water and gas from an oil and/or gas reservoir into the oil and/or gas well
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