Office supplies; artists and teachers materials – Book – album or cover – Element or attachment
Patent
1991-07-02
1992-12-08
Burke, Wallace R.
Office supplies; artists and teachers materials
Book, album or cover
Element or attachment
Patent
active
D03316009
REFERENCES:
patent: D136798 (1943-12-01), Seelman
patent: D317462 (1991-06-01), Sawada et al.
patent: 3995961 (1976-12-01), Dorfman et al.
patent: 4930925 (1990-05-01), Baldwin et al.
Moncrieff Baldwin Judith A.
Selwyn Stephen
Brown Melody N.
Burke Wallace R.
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