72226553
Aug 26, 1965
Jan 17, 1967
COLOR CARDS; INDIVIDUAL AND WALL SIZE COLOR CHARTS; CHARTS AND FILES AND OTHER COLLECTIONS OF COLOR STANDARDS, AND BOOKS CONTAINING COLOR CHARTS AND COLOR STANDARDS AND RELATED TEXT MATERIAL ALL FOR USE IN CONNECTION WITH COLOR COMPARISON IN CARIOUS FIELDS, SUCH AS PLANT TISSUES; SOIL; SKIN, EYE AND HAIR; PLASTIC INSULATED WIRE AND CABLE; FOOD COLOR GRADING; TESTING BACTERIA CONTENT OF FOOD; TESTING OF VISION; MARKING SAFETY HAZARDS; AND THE LIKE
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