Office supplies; artists and teachers materials – Book – album or cover – Ring bound or looseleaf type
Patent
1990-01-12
1992-07-14
Burke, Wallace R.
Office supplies; artists and teachers materials
Book, album or cover
Ring bound or looseleaf type
Patent
active
D03279090
REFERENCES:
patent: 509533 (1893-11-01), Hatton
patent: 590805 (1897-09-01), Eagan
patent: 1138262 (1915-05-01), Trussell
patent: 1741066 (1929-12-01), Morgan
patent: 2290651 (1957-04-01), Winstead
patent: 4907824 (1990-03-01), Smirnoff
Fickenscher Georg
Huber Rolf
Burke Wallace R.
Schmidt Pamela
Studienzenirum fur Personliche und Uniernehmerisch Planungsmetho
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