U.S. federal trademark · Serial No. 78353695
services associated with goods for power operated rotary earth boring drill bits featuring tungsten carbide insert cutting elements, tungsten carbide and hard metal/hard material wear protection, and using open air-cooled or sealed, roller-or-friction-type bearing systems, in class 42
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.