U.S. federal trademark · Serial No. 74080059 · Reg. No. 1651341
shock absorbing couplings for drill pipe for use in blasthole drilling, raise drilling, roof drilling and for use in drilling oil and gas and water wells; conveyor and drilling machine parts, namely conveyor rollers, seals, compensators and rubber components of rotary rock bits
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.