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Neck fan
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Patent number 11,920,602
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Issue date Mar 5, 2024
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Shenzhen Jisu Technology Co., Ltd.
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Xiangfu Li
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Neck fan
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Patent number 11,859,625
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Issue date Jan 2, 2024
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Shenzhen Jisu Technology Co., Ltd.
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Xiangfu Li
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Neck fan
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Patent number 11,795,957
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Issue date Oct 24, 2023
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Shenzhen Jisu Technology Co., Ltd.
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Xiangfu Li
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Neck fan
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Patent number 11,754,080
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Issue date Sep 12, 2023
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Shenzhen Jisu Technology Co., Ltd.
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Jiahang Xie
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Neck fan
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Patent number 11,719,250
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Issue date Aug 8, 2023
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Shenzhen Jisu Technology Co., Ltd.
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Xiangfu Li
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Neck fan
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Patent number 11,661,947
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Issue date May 30, 2023
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Shenzhen Jisu Technology Co., Ltd.
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Xiangfu Li
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Neck fan
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Patent number 11,635,083
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Issue date Apr 25, 2023
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Shenzhen Jisu Technology Co., Ltd.
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Xiangfu Li
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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1475105
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Patent number 1,475,105
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Issue date Nov 20, 1923
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE