U.S. federal trademark · Serial No. 73749746 · Reg. No. 1717280
COLORIMETERS, COMPARATORS AND NESSLERIZERS FOR COMPARING THE COLORS OF LIQUIDS AND SOLIDS WITH PERMANENT COLOR STANDARDS; SLIDES AND DISCS, ALL OF GLASS AND FOR USE WITH THE AFORESAID GOODS AND LIQUID AND TESTING ANALYZING APPARATUS
CHEMICAL REAGENTS FOR USE WITH MEASURING APPARATUS, COLORIMETERS AND NESSLERIZERS
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