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J. H. Williams Inventions, Inc.
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Tequesta, FL, US
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Patents Grants
last 30 patents
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Patent Grant
Weighted flexible shoe insole
Patent number
5,638,613
Issue date
Jun 17, 1997
J. H. Williams Inventions, Inc.
James H. Williams
A43 - FOOTWEAR
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last 30 patents
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