U.S. federal trademark · Serial No. 85531691 · Reg. No. 4229189
Drilling bits for power drills, PDC drilling bits for power drills, PDC hole opener power tools, and parts for power drills, namely, drill bit extensions, all for use in oil gas well drilling, water well drilling, geothermal well drilling, construction drilling, and industrial drilling
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.