U.S. federal trademark · Serial No. 75276330 · Reg. No. 198106
chemical products for industrial purposes, namely, a plugging liquid containing inter alia hydrophobic liquid, an emulsifier, a cross-linking agent for polysaccharide, a weighing material and polysaccharide, for plugging of a zone of subterranean formation around a drill hole
repair services in connection with maintenance of subterranean drill holes
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.