U.S. federal trademark · Serial No. 73091469 · Reg. No. 1099923
OIL FIELD PRODUCTS-NAMELY, OIL WELL DRILLING AND TREATING, COMPOSITIONS AND FLUIDS, AGGREGATES, ADDITIVES, WEIGHTING, CONDITIONING AND FILTRATE REDUCING AGENTS, VISCOSIFIERS, LOST CIRCULATION MATERIALS COMPRISING COMPOSITIONS CONTAINING GRANULES, FLAKES, SHREDDED FIBERS AND GROUND NUT SHELLS FOR MIXING WITH DRILLING FLUIDS
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