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Sock with elastic heel
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Patent number 10,791,771
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Issue date Oct 6, 2020
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NO SLIP SOX, LLC
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Allan W. McFadyen
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A41 - WEARING APPAREL
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1833163
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Patent number 1,833,163
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Issue date Nov 24, 1931
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A41 - WEARING APPAREL
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1577369
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Patent number 1,577,369
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Issue date Mar 16, 1926
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A41 - WEARING APPAREL
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1330315
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Patent number 1,330,315
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Issue date Feb 10, 1920
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A41 - WEARING APPAREL