Patents by Inventor Li-Wen Wang Yao

Li-Wen Wang Yao 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).

  • Polygonal container
    Patent number: D460860
    Type: Grant
    Filed: April 4, 2001
    Date of Patent: July 30, 2002
    Assignee: Topcraft Industrial Corporation
    Inventor: Li-Wen Wang Yao