U.S. federal trademark · Serial No. 77278751 · Reg. No. 3769471
Drilling tools, namely, diamond drill bits, polycrystalline diamond compact drill bits, drill bit segments, rock drill bits, dirt blades and mud motors, all for use with power operated oil drilling machines and equipment
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.