U.S. federal trademark · Serial No. 78014865
Manufacture of subterranean tubulars, drill bits, bearings, data communication systems and other downhole tools to order/ or specification of others
Design for others in the field of subterranean tubulars, drill bits, bearings, data communication systems and other downhole tools; engineering
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.