U.S. federal trademark · Serial No. 78257685 · Reg. No. 2838816
Chemical viscosifier and stabilizer for use in drilling fluids used for vertical, horizontal or directional drilling for oil, gas, and underground utilities including cable, electrical, pipelines, telecommuni-cations and related utilites
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.