U.S. federal trademark · Serial No. 73482935 · Reg. No. 154463
MEASURING AND SCIENTIFIC APPARATUS, NAMELY, MICROSCOPES, PHOTOELECTRIC PHOTOMETERS, LABORATORY ALCOHOL BURNERS, LABORATORY GLASSWARE, COLORIMETERS, BALANCE SCALES, VOLTMETERS, WATT-HOUR METERS, Q METERS, OSCILLOSCOPES, COMPASSES AND MICROMETER SEXTANTS
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