Title:
Exercising apparatus for the feet
United States Patent 1509793

Inventors:
Thompson, Ralph S.
Publication Date:
09/23/1924
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Assignee:
Thompson, Ralph S.
Primary Class:
482/79
Other Classes:
601/27, 482/80
International Classes:
A63B23/08; A63B21/04; A63B21/055; A63B23/04; A63B21/02