Office supplies; artists and teachers materials – Bookend
Patent
1986-03-03
1989-03-14
Herrmann, Winifred E.
Office supplies; artists and teachers materials
Bookend
D19 96
Patent
active
D03002284
REFERENCES:
patent: 975924 (1910-11-01), Aray
patent: 1232116 (1917-07-01), Stechan
patent: 2479215 (1949-08-01), Dalton
patent: 2543182 (1951-02-01), Lang
patent: 2699748 (1955-01-01), Crawford
patent: 2841109 (1958-07-01), Marty
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