U.S. federal trademark · Serial No. 88675546 · Reg. No. 6105855
An assembly of drilling machine parts, namely, drill bits for rock drilling, couplers, kelly bars, anchor bars, steel pins, chains, and split rings designed to connect drilling tools to large construction augers for the purpose of cutting into rock and other hard underground materials
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.