U.S. federal trademark · Serial No. 78085504 · Reg. No. 848815
-OIL, GAS AND WATER TOOLS AND EQUIPMENT, NAMELY,CENTRALIZERS USED TO GUIDE BOREHOLE CASINGS, ROCK BOLTS AND FIXINGS; GEOLOGICAL EXPLORATION EQUIPMENT And TOOLS FOR USE IN THE OIL, GAS, WATER AND MINING INDUSTRIES,NAMELY, CENTRALIZERS USED TO GUIDE BOREHOLE CASINGS,ROCK BOLTS AND FIXINGS
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