U.S. federal trademark · Serial No. 90605551 · Reg. No. 6855299
A tubular tool string component for use in drilling an oil and gas well, namely, a drill stem having an outer profile configured to mechanically erode cuttings that have been deposited in the borehole, being a structural part of a drilling machine
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.