Book

Details Book Book

1993-10-12

1995-05-02

Burke, Wallace R.

Office supplies; artists and teachers materials

Book, album or cover

Ring bound or looseleaf type

Patent

active

D03579352

REFERENCES:
patent: D248964 (1978-08-01), Kizlauskas
patent: D290137 (1987-06-01), Reilly
patent: D313044 (1990-12-01), Spak
patent: D317464 (1991-06-01), Goodman et al.
patent: 4176473 (1979-12-01), Rae
patent: 4416370 (1983-11-01), Beall
patent: 4513526 (1985-04-01), Grace et al.
patent: 4648524 (1987-03-01), Ackermann
patent: 4807776 (1989-02-01), Cortopassi
patent: 4911295 (1990-03-01), Venegoni

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