U.S. federal trademark · Serial No. 75313188 · Reg. No. 1283148
scientific apparatus and instruments to measure physical sizes or dimensions, to test material composition or physical properties and to observe structural details and to detect defects such as inclusions and measuring apparatus, namely, scales, rulers, microscopes, meters, optical comparators, gage blocks, protractors, calipers, dial indicators, micrometers, thickness meters, hardness testers, dial bore gages
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