Patents by Inventor Sun Yichun

Sun Yichun 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).

  • Hair brush handle
    Patent number: D895981
    Type: Grant
    Filed: January 28, 2019
    Date of Patent: September 15, 2020
    Assignee: Olivia Garden International Inc.
    Inventors: Jean Rennette, Sun Yichun