U.S. federal trademark · Serial No. 73042329 · Reg. No. 1027254
COLORIMETERS, COMPARATORS AND NESSLERISERS, ALL BEING LABORATORY APPARATUS FOR COMPARING THE COLORS OF LIQUIDS AND OF SOLIDS WITH PERMANENT COLOR STANDARDS; PARTS OF ALL THESE GOODS AND SLIDES AND DISCS, ALL OF COLORED GLASS AND BEING FOR USE WITH THE AFORESAID GOODS
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