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United States Patent 3000113
US Patent References:
/0606173.html
- - 0606173

/0651170.html
- - 0651170

/0725300.html
- - 0725300

/1318506.html
- - 1318506

Color chart
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Inventors:
Olson, Walter H.
Publication Date:
09/19/1961
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Assignee:
VALSPAR CORP
Primary Class:
434/98
Other Classes:
211/168, 40/617, 40/391
International Classes:
G09F5/04; G09F5/00
US Patent References:
1773346Safety signal
1871078Color matching apparatus
2203167Means for identifying and reproducing color harmony
2639526Album
2729898Color locator
2753053Hosiery display device
2764297Clothes drier mounting
2828554Color-selecting devices