U.S. federal trademark · Serial No. 86080576 · Reg. No. 4547027
Chemical additive for water or oil-based drilling muds and cement slurries, namely, an inert deformable rubber-based product for lost circulation conditions when an oil and gas well is being drilled or completed
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.