U.S. federal trademark · Serial No. 98064807 · Reg. No. 3315503
Machines and machine tools, and accessories and parts thereof for the oil industry, namely, side pocket mandrels for gas lift and water flooding; disposable guns for piercing and perforating rock and wells for the oil industry; pump valves; water flooding injection valves for pumps; drilling rods, diamond drill rods, reverse circulation drilling pipes, rotary deck bushings, shock absorbers, bit subs, top subs and stabilizers, all the foregoing being both replacement parts for drilling machines and machine tools for drilling machines
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.