Ring binder

Details Ring binder Ring binder

1996-07-10

1998-01-13

Thompson, Martie

Office supplies; artists and teachers materials

Book, album or cover

Element or attachment

D19 27, 1904

Patent

active

D03891828

REFERENCES:
patent: D343646 (1994-01-01), Semerjian et al.
patent: D347022 (1994-05-01), Schattner
patent: D356112 (1995-03-01), Constantine
patent: 2013552 (1935-09-01), Dawson
patent: 3404685 (1968-10-01), Vernon
patent: 3728036 (1973-04-01), Cott
patent: 3954343 (1976-05-01), Thomsen
patent: 4813803 (1989-03-01), Gross
patent: 5368407 (1994-11-01), Law
patent: 5476335 (1995-12-01), Whaley

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