U.S. federal trademark · Serial No. 73218759 · Reg. No. 1173760
Viscosity and Filtration Control Agent for Use in Earth Borehole Drilling Such as Drilling for Mineral Exploration, Water Wells, Oil and Gas Wells, Geothermal Wells, and Similar Earth Boreholes
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.