U.S. federal trademark · Serial No. 71539419 · Reg. No. 0534186
WELL-DRILLING, SERVICING AND PRODUCTION EQUIPMENT AND PARTS THEREOF, COMPRISING DERRICK RIGS, CROWN BLOCKS, TRAVELING AND SPEED BLOCKS, CORING REELS, DRAW WORKS, [ DRILL COLLARS,] KELLY DRIVES, POWER RIGS, ROTARY TABLES, TOOL SWIVELS, DRILLING MACHINES, [ SPUDDERS,] HOISTS, WINCHES, AND PULLEYS
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