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Sofa air bed
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Patent number 8,959,677
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Issue date Feb 24, 2015
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Seina International, LLC
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Lee Pil Yul
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Collapsible bed assembly
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Patent number 8,245,332
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Issue date Aug 21, 2012
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North Pole Limited
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Lee Pil Yul
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Collapsible structure
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Patent number 7,757,314
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Issue date Jul 20, 2010
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North Pole Limited
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Lee Pil Yul
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...