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Cleaner
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Patent number D932119
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Issue date Sep 28, 2021
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Excelsior Medical Co., Ltd.
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Ming-Cheng Chang
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D32 - Washing, cleaning, or drying machine
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Air purifier
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Patent number D889621
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Issue date Jul 7, 2020
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Hung Hsing Electric Co., Ltd.
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Ping Huang
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D23 - Environmental heating and cooling
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Air purifier
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Patent number D804002
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Issue date Nov 28, 2017
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Hung Hsing Electric Co., Ltd.
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Ping Huang
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D23 - Environmental heating and cooling
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Remote control for air purifiers
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Patent number D788049
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Issue date May 30, 2017
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Hung Hsing Electric Co., Ltd.
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Ping Huang
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D13 - Equipment for production, distribution, or transformation of energy
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-
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Air purifier
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Patent number D650474
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Issue date Dec 13, 2011
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Hung Hsing Electric Co., Ltd.
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Ping Huang
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D23 - Environmental heating and cooling
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Structure of an electrostatic precipitator
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Patent number 6,958,089
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Issue date Oct 25, 2005
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Hung Hsing Electric Co., Ltd.
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Ping Huang
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B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
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Electrostatic precipitator
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Patent number 6,852,149
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Issue date Feb 8, 2005
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Hung Hsing Electric Co., Ltd.
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Ping Huang
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B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
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Air purifier
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Patent number 6,645,266
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Issue date Nov 11, 2003
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Hung Hsing Electric Co., Ltd.
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Ping Huang
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F24 - HEATING RANGES VENTILATING
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Air purifier
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Patent number D457230
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Issue date May 14, 2002
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Hung Hsing Electric Co., Ltd.
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Ping Huang
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D23 - Environmental heating and cooling
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Air purifier
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Patent number D435097
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Issue date Dec 12, 2000
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Hung Hsing Electric Co., Ltd.
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Ping Huang
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D23 - Environmental heating and cooling
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Air purifier
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Patent number D434128
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Issue date Nov 21, 2000
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Hung Hsing Electric Co., Ltd.
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Ping Huang
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D23 - Environmental heating and cooling
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Air purifier
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Patent number D434129
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Issue date Nov 21, 2000
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Hung Hsing Electric Co., Ltd.
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Ping Huang
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D23 - Environmental heating and cooling
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Air purifier
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Patent number D431644
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Issue date Oct 3, 2000
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Hung Hsing Electric Co., Ltd.
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Ping Huang
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D23 - Environmental heating and cooling
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Air purifier
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Patent number D422691
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Issue date Apr 11, 2000
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Hung Hsing Electric Co., Ltd.
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Ping Huang
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D23 - Environmental heating and cooling
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Air purifier
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Patent number 5,332,425
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Issue date Jul 26, 1994
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Hung Hsing Electric Co., Ltd.
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Ping Huang
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F24 - HEATING RANGES VENTILATING
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Fan
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Patent number D306203
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Issue date Feb 20, 1990
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Hung Hsing Electric Co., Ltd.
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Yung-Kuan Wei
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D23 - Environmental heating and cooling
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78921206 - SHEER AIRE
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Serial number 78921206
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Filing date Jun 30, 2006
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Hung Hsing Electric Co., Ltd.
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11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes