U.S. federal trademark · Serial No. 75375513
DRILL COLLARS FOR USE IN OIL AND GAS EXPLORATION AND DEVELOPMENT
DOWNHOLE LOGGING AND MEASURING EQUIPMENT, NAMELY, DUAL INDUCTION RESISTIVITY TOOLS, SPECTRAL GAMMARAY TOOLS, BULK AND SPECTRAL LITHO DENSITY TOOLS, MICRODENSITY TOOLS, BOREHOLE CALIPER TOOLS AND BOREHOLE COMPENSATED SONIC TOOLS FOR THE MEASUREMENT AND ANALYSIS OF GEOLOGICAL FORMATIONS; COMPUTER HARDWARE AND SOFTWARE FOR USE IN CAPTURING, PROCESSING, ANALYZING, CHARTING AND STORING DATA IN THE FIELD OF WELL AND GAS EXPLORATION AND INSTRUCTION MANUALS SOLD AS A UNIT
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