Bookrack

Details Bookrack Bookrack

1990-02-02

1991-10-22

Burke, Wallace R.

Office supplies; artists and teachers materials

Bookend

Simulative

D21173

Patent

active

D03210081

REFERENCES:
patent: D130812 (1941-12-01), Calvert
patent: D194477 (1963-01-01), Gottseger
patent: D307603 (1990-05-01), Goodman et al.
patent: 2043385 (1936-06-01), Malvey
patent: 3870156 (1975-03-01), O'Neill
patent: 4387534 (1983-06-01), Lewandowski et al.

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