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Transformable shoe
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Patent number 10,609,985
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Issue date Apr 7, 2020
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Cinthia Karley Duarte
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A43 - FOOTWEAR
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2127208
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Patent number 2,127,208
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Issue date Aug 16, 1938
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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2038534
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Patent number 2,038,534
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Issue date Apr 28, 1936
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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1838807
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Patent number 1,838,807
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Issue date Dec 29, 1931
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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1590347
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Patent number 1,590,347
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Issue date Jun 29, 1926
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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297592
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Patent number 297,592
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Issue date Apr 29, 1884
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A43 - FOOTWEAR