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United States Patent 1573665

Inventors:
Wigginton, George P.
Publication Date:
02/16/1926
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Assignee:
KALAMAZOO LOOSE LEAF BINDER CO
Primary Class:
312/297
Other Classes:
160/191, 160/190, 312/210, 312/208.100, 126/37R
International Classes:
A47B17/00