U.S. federal trademark · Serial No. 85102137 · Reg. No. 2535379
Downhole apparatus for use in the oil and gas industries, namely, liners, casings and centralisers; power drilling devices for use in the oil and gas industries, namely, reamers; structural parts and fittings therefor
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.