U.S. federal trademark · Serial No. 86297892 · Reg. No. 4715097
[ 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 for use in the field of oil exploration and production [ ; Chemicals used in oil drilling ]
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.