Patents by Inventor Ward Chen

Ward Chen 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).

  • Pair of eyeglasses
    Patent number: D474223
    Type: Grant
    Filed: May 23, 2002
    Date of Patent: May 6, 2003
    Inventor: Ward Chen