U.S. federal trademark · Serial No. 72140572 · Reg. No. 0743128
Surfactant-Containing Oil Phase Spotting Fluid for Freeing Drill Pipe, Drill Collars, and Casing which Might Be Stuck in a Bore Hole in the Earth
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.