U.S. federal trademark · Serial No. 72346741 · Reg. No. 0912966
OIL WELL AND OIL FIELD TOOLS AND EQUIPMENT-NAMELY, CASING HEADS, TUBING HEADS, TUBING HANGERS, PUMPING AND FLOWING T'S, POLISH ROD STUFFING BOXES, FLOW HEADS, ANCHORS, SPIDERS, TUBING ROTATORS, OIL SAVERS, CASING HEAD ADAPTERS, RELIEF VALVES, ENGINE-CONTROL VALVES, AND LIKE ARTICLES FOR PUMPING AND FLOWING OIL WELLS
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