Patents by Inventor Charles Yao-Chou Yu

Charles Yao-Chou Yu 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: D429943
    Type: Grant
    Filed: August 27, 1999
    Date of Patent: August 29, 2000
    Inventor: Charles Yao-Chou Yu