Patents by Inventor Guifen Chen

Guifen 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).

  • Sports bottle
    Patent number: D961996
    Type: Grant
    Filed: January 25, 2021
    Date of Patent: August 30, 2022
    Assignee: TIANTAI TIANBO ELECTRONIC COMMERCE CO., LTD.
    Inventor: Guifen Chen