Patents by Inventor Walter Pietruch

Walter Pietruch 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: D484409
    Type: Grant
    Filed: January 31, 2003
    Date of Patent: December 30, 2003
    Assignee: Kraft Foods Holdings, Inc.
    Inventors: Anne E. Haggerty, Jeffrey S. Gibb, Richard A. Hildebrandt, Jerry Offerman, Walter Pietruch, Richard Peterson, Dave Bried