U.S. federal trademark · Serial No. 75526249
ARTICLES FOR USE IN DRILLING AND COMPLETING OIL AND GAS WELLS, ARTICLES FOR USE IN THE PRODUCTION OF OIL AND GAS FROM WELLS, IN PARTICULAR SURFACE WELLHEADS, MUD LINE SUSPENSION SYSTEMS, ADJUSTABLE WELLHEAD SYSTEMS,TUBING HANGERS, CASING HANGERS, RUNNING TOOLS, WASHOUT SLEEVES, CASING CONNECTORS, Christmas TREES FOR WELLHEADS, CASING SLIPS, ANNULAR SEALS, PARTS AND FITTINGS FOR ALL THE AFORESAID GOODS
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