Office supplies; artists and teachers materials – Book – album or cover – Element or attachment
Patent
1976-04-19
1979-04-03
Holtje, Nelson C.
Office supplies; artists and teachers materials
Book, album or cover
Element or attachment
D1906
Patent
active
D02514958
REFERENCES:
patent: 2246088 (1941-06-01), Clementz
Harrison Saul E.
Kraemer Ira B.
Holtje Nelson C.
Pugh Martha G.
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