Books – strips – and leaves – Book – element thereof – or accessory therefor – Binding
Reexamination Certificate
2006-11-28
2006-11-28
Banks, Derris H. (Department: 3722)
Books, strips, and leaves
Book, element thereof, or accessory therefor
Binding
C402S073000
Reexamination Certificate
active
07140643
ABSTRACT:
A learning tool includes a book binder and a plurality of removable pages. Each of the pages has a mounting surface and/or mounting locations for releasably attaching a plurality of symbol devices formed as letters, numbers and the like.
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Banks Derris H.
Butzel Long
Williams J
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