U.S. federal trademark · Serial No. 72093371 · Reg. No. 398180
TELESCOPES, FIELD GLASSES, REFRACTOMETERS, LENSES AND DOUBLE LENSES, TELEMETERS, VIEWING DEVICES, PRISMATIC ASTROLABES, MICROSCOPES, STEREOSCOPES, PERISCOPES, PHOTOGRAPHIC APPARATUS AND OBJECTIVES, PROJECTION APPARATUS, SEXTANTS, COMPASSES, NAVIGATIONAL COMPASSES, GYROSCOPIC COMPASSES, LEVEL THEODOLITES, ALIDADES, PLANE TABLES, TACHOMETERS, PHOTOGRAMMETRIC APPARATUS, STEREOCOMPARATORS, RECTIFIERS , SEISMOGRAPHS, AND OPTICAL GLASS
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