Patents by Inventor Duane D. Oelke

Duane D. Oelke 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).

  • Snack food product
    Patent number: D391736
    Type: Grant
    Filed: March 8, 1993
    Date of Patent: March 10, 1998
    Assignee: General Mills, Inc.
    Inventor: Duane D. Oelke