Office supplies; artists and teachers materials – Office equipment not elsewhere specified – Holder or file
Patent
1987-01-21
1989-11-21
Dunkins, Bruce W.
Office supplies; artists and teachers materials
Office equipment not elsewhere specified
Holder or file
Patent
active
D03047342
REFERENCES:
patent: D206697 (1967-01-01), Erickson et al.
patent: D231494 (1974-04-01), Mandala
patent: 4021947 (1977-05-01), Shneider
patent: 4035938 (1977-07-01), Neilsen
Leszczak John
Staubitz Robert B.
Bates Manufacturing Company
Dunkins Bruce W.
Thompson Martha
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