U.S. federal trademark · Serial No. 85898264 · Reg. No. 4554385
Chemical additives for drilling muds; Chemical additives for fracturing fluid for use in oil and gas wells; Chemical additives for oil well drilling fluid; Chemicals used in oil drilling; Drilling muds for use in oil well drilling; Proppant for use in oil well and gas well hydraulic fracturing operations
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.