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Skin integrated device
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Patent number 8,257,435
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Issue date Sep 4, 2012
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Mark Pitkin
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Artificial foot and ankle
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Patent number 6,290,730
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Issue date Sep 18, 2001
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Ohio Willow Wood Company
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Mark R. Pitkin
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Artificial foot and ankle
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Patent number 5,376,139
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Issue date Dec 27, 1994
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Mark R. Pitkin
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Athletic shoe
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Patent number 5,224,810
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Issue date Jul 6, 1993
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Mark R. Pitkin
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A43 - FOOTWEAR