U.S. federal trademark · Serial No. 72177105 · Reg. No. 0776375
MACHINES, MACHINE TOOLS AND INSTRUMENTS FOR ROCK AND EARTH INVESTIGATIONS AND DIAMOND DRILLING AND FOR ORE, WATER AND OIL PROSPECTING; PUMPS, GROUTING EQUIPMENT, TOOLS AND MACHINE TOOLS SET OR IMPREGNATED WITH DIAMONDS OR OTHER HARD GRAINS FOR WORKING STONE, MINERALS AND METALS, PARTICULARLY BORE-CROWNS AND DRILL BITS
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