Office supplies; artists and teachers materials – Book – album or cover – Ring bound or looseleaf type
Patent
1976-08-20
1978-05-02
Stearman, Joel
Office supplies; artists and teachers materials
Book, album or cover
Ring bound or looseleaf type
D1904
Patent
active
D02478170
REFERENCES:
patent: 1269859 (1918-06-01), Ring
patent: 1513518 (1924-10-01), Pott
patent: 1562320 (1925-11-01), Farley
patent: 2099472 (1937-11-01), Emery
Hausmann Else
Hausmann Heinrich
Halsey James D.
Stearman Joel
Word George P.
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