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Zhao-Xuan Sun

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  • Zhengzhou City, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Spring winder and curtains using the spring winder
    • Patent number 11,193,327
    • Issue date Dec 7, 2021
    • Zhengzhou Mingyang Curtain Accessory Materials Co., Ltd.
    • Nian-Qing Zhang
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS

Patents Applicationslast 30 patents

  • Information Patent Application

    SPRING WINDER AND CURTAINS USING THE SPRING WINDER
    • Publication number 20200190900
    • Publication date Jun 18, 2020
    • Zhengzhou Mingyang Curtain Decoration Material Ltd.
    • Nian-Qing Zhang
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS