U.S. federal trademark · Serial No. 79101829 · Reg. No. 4215953
Drilling fluids, namely, air, water, polymer, water-based drilling muds, oil-based drilling mud, gaseous drilling fluids, synthetic-based drilling fluid; drilling fluids, namely, chemicals used in the drilling of oil and gas wells; completion fluids, namely, brines used in the completion of oil and gas wells
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.