Books – strips – and leaves – Book – element thereof – or accessory therefor – Covers
Patent
1998-06-09
1999-07-13
Fridie, Jr., Willmon
Books, strips, and leaves
Book, element thereof, or accessory therefor
Covers
283107, B42D 306, B42D 318, B42D 100
Patent
active
059215798
ABSTRACT:
A spiral-bound stand-up book has pages printed with one set of textual materials on one side, and a second independent set of textual materials on the other so as to allow two persons looking at the book from opposite sides to simultaneously read two independent sets of textual materials.
REFERENCES:
patent: 1099775 (1914-06-01), Smith
patent: 4058327 (1977-11-01), Sullivan et al.
patent: 5100181 (1992-03-01), Nathans et al.
Fridie Jr. Willmon
Henderson Mark T.
Weissenberger Harry G.
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