U.S. federal trademark · Serial No. 74690213 · Reg. No. 2.030124
metallic rock-anchors, namely coupling-brushes, bolts and anchor head plates for tunnel construction
machines and machine parts for the construction of tunnels, namely mortar pumps, mortar mixers and drill bits
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.