U.S. federal trademark · Serial No. 87441069 · Reg. No. 5382583
Chemical additives for drilling muds; Chemical additives for fracturing fluid for use in oil and gas wells; Chemical additives for oil well drilling fluids; Chemical additives for reduction of viscosity of simulation fluids used in oil/gas exploration
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.