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Audio switching device
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Patent number 11,675,565
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Issue date Jun 13, 2023
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ACCO Brands Corporation
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Ya-Hui Yang
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G06 - COMPUTING CALCULATING COUNTING
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Dusting device
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Patent number 9,579,007
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Issue date Feb 28, 2017
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YA-Ching Yang
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Foldable duster
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Patent number 9,386,899
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Issue date Jul 12, 2016
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Ya-Ching Yang
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Optical disk drive
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Patent number 8,042,124
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Issue date Oct 18, 2011
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ASUSTeK COMPUTER Inc.
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Shi-Wei Liu
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G11 - INFORMATION STORAGE
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Dust cloth texture
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Patent number 7,681,275
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Issue date Mar 23, 2010
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Pai Yung Lin
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...