Office supplies; artists and teachers materials – Book – album or cover – Ring bound or looseleaf type
Patent
1993-03-12
1994-12-27
Burke, Wallace R.
Office supplies; artists and teachers materials
Book, album or cover
Ring bound or looseleaf type
Patent
active
D03538362
REFERENCES:
patent: D136862 (1943-12-01), Wollenberger
patent: D302699 (1989-08-01), Popat et al.
patent: D312278 (1990-11-01), Moor
patent: D316108 (1991-04-01), Gerriet
patent: D337610 (1993-07-01), Mixon
patent: 4296945 (1981-10-01), Pavlik
patent: 4306737 (1987-12-01), Errichiello
Carvelli Salvatore G.
Grant Richard B.
Burgess Pamela
Burke Wallace R.
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