Patents by Inventor Lifen Cai

Lifen Cai 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).

  • Toy car
    Patent number: D926264
    Type: Grant
    Filed: February 19, 2020
    Date of Patent: July 27, 2021
    Inventor: Lifen Cai