Metal ring binder

Details Metal ring binder Metal ring binder

1999-01-26

2000-04-18

Holtje, Nelson C.

Office supplies; artists and teachers materials

Book, album or cover

Element or attachment

1904

Patent

active

D04230450

REFERENCES:
patent: D389182 (1998-01-01), Law
patent: D392673 (1998-03-01), Whaley
patent: D397146 (1998-08-01), Chan
patent: D405113 (1999-02-01), Ko
patent: D409240 (1999-05-01), Ko
patent: 5807006 (1998-09-01), Cheung
patent: 5842807 (1998-12-01), To
Hornung-Background Patterns, Textures and Tints-1976-(no page #s)-.

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