U.S. federal trademark · Serial No. 73696932 · Reg. No. 1505591
CARBIDE DRILLS, CARBIDE REAMERS, GUN DRILLS, GUN REAMERS, CARBIDE TIPPED DRILLS, CARBIDE TIPPED REAMERS, POLYCRYSTALINE TIPPED DRILLS, POLYCRYSTALINE TIPPED REAMERS, AND POLYCRYSTALINE TIPPED INSERTS
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