Patents by Inventor Zemiao Li

Zemiao Li 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).

  • Game machine
    Patent number: D903769
    Type: Grant
    Filed: July 31, 2019
    Date of Patent: December 1, 2020
    Inventor: Zemiao Li