U.S. federal trademark · Serial No. 74002148 · Reg. No. 1658833
COMPUTER CONTROLLED GEOLOGICAL, GEOPHYSICAL, AND GEOTECHNICAL ELECTRONIC MEASURING INSTRUMENTS; NAMELY, PARTICLE SIZE ANALYZERS, ROCK ANALYZERS, WATER RADON ANALYZERS AND TUNNEL SURVEY UNITS, AND COMPUTER SOFTWARE FOR USE IN GEOLOGICAL, GEOPHYSICAL AND GEOTECHNICAL APPLICATIONS
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