Office supplies; artists and teachers materials – Office equipment not elsewhere specified – Holder or file
Patent
1987-02-05
1990-08-21
Dunkins, Bruce W.
Office supplies; artists and teachers materials
Office equipment not elsewhere specified
Holder or file
D19 90, D19 95
Patent
active
D03101061
REFERENCES:
patent: D243526 (1977-03-01), Overman
patent: D287068 (1986-12-01), Long et al.
patent: D287425 (1986-12-01), Kirchner
patent: D287544 (1987-01-01), Long et al.
patent: 3253871 (1966-05-01), Karper
Dunkins Bruce W.
Ketcham & McDougall, Inc.
Thompson Martha
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