U.S. federal trademark · Serial No. 73813944 · Reg. No. 1586527
DRILLING EQUIPMENT -NAMELY, HEAVY TRUCK-MOUNTED ROTARY OIL AND GAS WELL DRILLS, ROTARY BLAST HOLE DRILLS, ROTARY WATER WELL DRILLS, PROSPECTING AND CORING DRILLS, CRAWLER-MOUNTED ROTARY OIL AND GAS WELL DRILLS, ROTARY BLAST HOLE DRILLS AND CRAWLER-MOUNTED CORING DRILLS
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