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Xiangjun AN

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  • Changshu City, CN
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    RECHARGEABLE ELECTRIC EXTERNALLY-HUNG VENETIAN BLIND ASSEMBLY
    • Publication number 20220235606
    • Publication date Jul 28, 2022
    • CHANGSHU HIGH-TECH ENERGY-SAVING DORWIN CO., LTD
    • Chengzhe JIN
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    HOLLOW LOUVER TOP OPERATING SYSTEM
    • Publication number 20200308904
    • Publication date Oct 1, 2020
    • CHANGSHU HIGH-TECH ENERGY-SAVING DORWIN CO.,LTD.
    • Chengzhe JIN
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS