U.S. federal trademark · Serial No. 73603689 · Reg. No. 1452927
HARD METAL WEAR PARTS FOR OIL DRILLING TOOLS, NAMELY, DOWNHOLE OIL DRILLING BITS; HARD METAL DIES FOR FORMING SHEET METAL; HARD METAL MACHINE TOOL SLITTERS FOR STEEL SHEETS, HARD METAL RINGS FOR ROTARY PUMP SEALS, AND HARD METAL WEAR NOZZLES FOR SPRAYING ABRASIVE SLURRY
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