Patents by Inventor Greg L. Dietzen

Greg L. Dietzen 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).

  • Grater hat
    Patent number: D437987
    Type: Grant
    Filed: March 6, 2000
    Date of Patent: February 27, 2001
    Inventor: Greg L. Dietzen