Title:
Pneumatic insole
United States Patent 2600239


Inventors:
Gilbert, Levi L.
Application Number:
US12480949A
Publication Date:
06/10/1952
Filing Date:
11/01/1949
Assignee:
Gilbert, Levi L.
Primary Class:
International Classes:
A43B17/03
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US Patent References:
2080499Insole for shoes1937-05-18
2080469Pneumatic foot support1937-05-18
1241832N/A1917-10-02