U.S. federal trademark · Serial No. 98445215
Oil field drilling machines and parts therefor, namely, drill bits; Cutting devices being parts of oil field drilling machines; Polycrystalline diamond compact (PDC) cutting tools, being machine tools; Polycrystalline diamond compact (PDC) drill bits for drilling machines
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.