U.S. federal trademark · Serial No. 73368458 · Reg. No. 1275660
Micronized Cellulose Derivative Composed of Elongated, Fibrous Solid Particles to Provide Seepage Loss Control in Water and Oil Muds for Use in the Oil Drilling Industry
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.