Title:
Foot exerciser mat
United States Patent 3100483
US Patent References:
Foot exerciser
- - 2476921


Inventors:
Altmeyer, Edward G.
Andreasson, Donald C.
Publication Date:
08/13/1963
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Assignee:
Altmeyer, Edward G.
Andreasson, Donald C.
Primary Class:
601/28
International Classes:
A61H7/00