U.S. federal trademark · Serial No. 86220044 · Reg. No. TMA909
Wellbore coring services; rental of oil well drilling tools, specifically core barrels and drill pipe
downhole drilling tools, namely, core barrels, core bits, coring jars, and core catchers used in the drilling of oil wells
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.