Patents by Inventor Sun Heng

Sun Heng 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).

  • Patent number: D883844
    Type: Grant
    Filed: September 19, 2018
    Date of Patent: May 12, 2020
    Assignee: Dana Seng Jewelry Collection, INC
    Inventor: Sun Heng