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Changdan LI

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  • Guangzhou, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Cover assembly and packaging box
    • Patent number 11,919,681
    • Issue date Mar 5, 2024
    • Wm. Wrigley Jr. Company
    • Changdan Li
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Dispenser
    • Patent number D991050
    • Issue date Jul 4, 2023
    • Wm. Wrigley Jr. Company
    • Changdan Li
    • D09 - Packages and containers for goods

Patents Applicationslast 30 patents

  • Information Patent Application

    COVER ASSEMBLY AND PACKAGING BOX
    • Publication number 20220340338
    • Publication date Oct 27, 2022
    • Wm. Wrigley Jr. Company
    • Changdan LI
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL