Portfolio

Details Portfolio Portfolio

1986-04-21

1989-08-08

Dunkins, Bruce W.

Office supplies; artists and teachers materials

Book, album or cover

D19 86

Patent

active

D03026981

REFERENCES:
patent: 91728 (1869-06-01), Eastman
patent: D267653 (1983-01-01), Miller et al.
patent: D269625 (1983-07-01), Draddy
patent: D278445 (1985-04-01), Hartney
patent: D295289 (1988-04-01), Nickow
patent: 1859631 (1932-05-01), Osborn
patent: 2568941 (1951-09-01), Benson
patent: 2863484 (1958-12-01), Herbener
patent: 3777795 (1973-12-01), Graetz
patent: 3870223 (1975-03-01), Wyant
patent: 4388958 (1983-06-01), Dworkin

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