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Adjustable mattress structure
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Patent number 10,010,188
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Issue date Jul 3, 2018
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Han-Chung Hsu
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Optical lens
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Patent number D765753
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Issue date Sep 6, 2016
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Lextar Electronics Corp.
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Han-Chung Hsu
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D16 - Photography and optical equipment
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Spring mattress structure
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Patent number 9,326,617
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Issue date May 3, 2016
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Han-Chung Hsu
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Spring mattress structure
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Patent number 8,984,689
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Issue date Mar 24, 2015
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Han-Chung Hsu
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Adjustable mattress
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Patent number 8,613,119
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Issue date Dec 24, 2013
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Han-Chung Hsu
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Mattress structure
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Patent number 8,375,492
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Issue date Feb 19, 2013
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Han-Chung Hsu
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Chair structure
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Patent number 8,328,287
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Issue date Dec 11, 2012
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Han-Chung Hsu
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Chair structure
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Patent number 8,245,340
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Issue date Aug 21, 2012
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Han-Chung Hsu
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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