U.S. federal trademark · Serial No. 86641204
EARTH DRILLING MACHINES AND EQUIPMENT; POWER-OPERATED DRILLING RIGS; VALVES BEING PARTS OF MACHINES; PARTS OF WELLHEAD MACHINES, NAMELY, VALVES, CHOKE, AND MANIFOLD INDUSTRIAL PUMPS, PUMP AND VALVE PARTS, PIPE FITTINGS AND FLANGES; PRESSURE SWITCHES, SENSORS, AND REGULATORS FOR MONITORING, CONTROLLING, AND SWITCHING HYDRAULIC OR PNEUMATIC SYSTEMS IN EARTH DRILLING
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