U.S. federal trademark · Serial No. 86373751 · Reg. No. 4723069
Technological consultation in the oil and gas field and engineering services in the oil and gas field; engineering services in the field of fluids engineering; customized drilling fluid engineering services; research and development of technology in the field of oil and gas exploitation, extraction, and exploration; technical consultation in the field of oil and gas drilling in connection with oil and gas exploitation, extraction, and exploration
Retail services by direct solicitation by sales agents in the field of additives for oil and gas well drilling fluids
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.