Patents by Inventor Sizi Chen

Sizi Chen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: D872339
    Type: Grant
    Filed: November 11, 2018
    Date of Patent: January 7, 2020
    Assignee: SHENZHEN TUODI ELECTRONIC CO., LTD.
    Inventor: Sizi Chen