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Xiaosong Duan

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  • Guangdong, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Safety lock and stroller therewith
    • Patent number 11,155,292
    • Issue date Oct 26, 2021
    • Wonderland Switzerland AG
    • Xiaosong Duan
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Joint device
    • Patent number 9,638,243
    • Issue date May 2, 2017
    • Wonderland Nurserygoods Company Limited
    • Jian-Qun Li
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Patents Applicationslast 30 patents

  • Information Patent Application

    WHEEL MECHANISM
    • Publication number 20240075769
    • Publication date Mar 7, 2024
    • Wonderland Switzerland AG
    • Er-xue WANG
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    SAFETY LOCK AND STROLLER THEREWITH
    • Publication number 20200101996
    • Publication date Apr 2, 2020
    • Wonderland Switzerland AG
    • Xiaosong Duan
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    JOINT DEVICE
    • Publication number 20140064829
    • Publication date Mar 6, 2014
    • Jian-Qun Li
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS