Color chip holder

Office supplies; artists and teachers materials – Teaching material

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434 98

Patent

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D02922193

REFERENCES:
patent: D243763 (1977-03-01), Dorr
patent: D248987 (1978-08-01), Paschal
patent: D266543 (1982-10-01), Reiss
patent: D275817 (1984-10-01), Keyser
patent: 3474546 (1969-10-01), Wedlake
patent: 3726027 (1973-04-01), Cohen et al.
Hong Kong Enterprise, 12/83, p, 80, bottom left corner, Item U-314.

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