Patents by Inventor Guofei Han

Guofei Han 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).

  • Tricycle for child
    Patent number: D903534
    Type: Grant
    Filed: July 19, 2019
    Date of Patent: December 1, 2020
    Assignee: Cixi Lianjin Toys Co., Ltd.
    Inventor: Guofei Han