Ring binder

Details Ring binder Ring binder

1995-10-20

1997-02-04

Lucas, Susan J.

Office supplies; artists and teachers materials

Book, album or cover

Element or attachment

Patent

active

D03778053

REFERENCES:
patent: 2004570 (1935-06-01), Dawson
patent: 2013552 (1935-09-01), Dawson
patent: 3101719 (1963-08-01), Vernon
patent: 4813803 (1989-03-01), Gross
patent: 5476335 (1995-12-01), Whaley

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