U.S. federal trademark · Serial No. 73159385 · Reg. No. 1125727
DESILTORS INCORPORATING PUMPS FOR CLARIFYING WELL-DRILLING FLUIDS; SEPARATORS FOR REMOVING GAS FROM WELL-DRILLING FLUIDS; SHAKERS FOR SCREENING SOLIDS THROUGH MESH SCREENS OF VARYING FINENESS; AND HYDRAULIC CHOKE FOR REGULATING DOWNHOLE PRESSURES IN WELL HOLES
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