Patents by Inventor William Stuart Hughes

William Stuart Hughes 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).

  • Puffed cereal piece
    Patent number: D409355
    Type: Grant
    Filed: August 18, 1998
    Date of Patent: May 11, 1999
    Assignee: Kraft Foods, Inc.
    Inventors: William Paul Citarella, William Stuart Hughes, David Robert Woods
  • Puffed cereal piece
    Patent number: D418658
    Type: Grant
    Filed: August 18, 1998
    Date of Patent: January 11, 2000
    Assignee: Kraft Foods, Inc.
    Inventors: William Stuart Hughes, David Robert Woods