Patents by Inventor Guo Yongqiang

Guo Yongqiang 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).

  • Confectionery box
    Patent number: D507741
    Type: Grant
    Filed: August 19, 2003
    Date of Patent: July 26, 2005
    Assignee: Mars Incorporated
    Inventors: Tan Lu, Guo Yongqiang