U.S. federal trademark · Serial No. 88706374 · Reg. No. 6262802
Drill pipe attachments, namely, metal drill collars; Metal drill pipes for use in well boring; Metal pipe collars
Bits for mining machines; Drill bits for rock drilling; Mining bits; 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.