Patents by Inventor Frank D. Wiese

Frank D. Wiese 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).

  • System for manufacturing animal feed
    Patent number: 3971306
    Abstract: The manufacture of animal feed using as a principal ingredient food waste, wherein the food waste is first ground to a fine particle size, cooked and dried, and then blended with certain additives to provide a complete animal feed.
    Type: Grant
    Filed: July 30, 1974
    Date of Patent: July 27, 1976
    Assignee: Cord Systems, Inc.
    Inventors: Frank D. Wiese, Donald F. Link, Charles W. Brown