Patents by Inventor Charles Hsueh-Chien Ke

Charles Hsueh-Chien Ke 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).

  • Pizza tray
    Patent number: D437557
    Type: Grant
    Filed: June 11, 1999
    Date of Patent: February 13, 2001
    Assignee: Schwan's Sales Enterprises, Inc.
    Inventors: Mark Elliot Ingelin, Charles Hsueh-Chien Ke