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Pool cleaning vehicle
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Patent number 11,668,111
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Issue date Jun 6, 2023
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National Wise Limited
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Martin Wing-Kin Hui
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E04 - BUILDING
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Pool cleaning vehicle
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Patent number 11,441,326
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Issue date Sep 13, 2022
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Upward Sales Limited
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Martin Wing-Kin Hui
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E04 - BUILDING
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-
-
-
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Pool cleaner
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Patent number 9,982,452
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Issue date May 29, 2018
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COMPUROBOT TECHNOLOGY COMPANY
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Wing-Tak Hui
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E04 - BUILDING
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-
-
-
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Swivel cord-connector
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Patent number 9,246,290
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Issue date Jan 26, 2016
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DONGGUAN SMARTPOOL PRODWCTS INCORPORATED CO LTD
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Wing-tak Hui
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H01 - BASIC ELECTRIC ELEMENTS
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Pool cleaner
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Patent number 9,091,092
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Issue date Jul 28, 2015
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DONGGUAN SMARTPOOL PRODWCTS INCORPORATED CO LTD
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Wing-kin Hui
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E04 - BUILDING
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Pool cleaner
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Patent number 8,978,188
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Issue date Mar 17, 2015
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Wing-kin Hui
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E04 - BUILDING