Office supplies; artists and teachers materials – Bookend
Patent
1989-11-27
1991-02-12
Burke, Wallace R.
Office supplies; artists and teachers materials
Bookend
Patent
active
D03145891
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patent: 2096354 (1937-10-01), Bershad
patent: 2282939 (1942-05-01), Clawson
patent: 2664847 (1954-01-01), Orman
patent: 3059609 (1962-10-01), Sealana
Burke Wallace R.
Denk Paul M.
Schmidt Pamela J.
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