Patents by Inventor Kathy A. Hummel

Kathy A. Hummel 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: D347098
    Type: Grant
    Filed: October 18, 1991
    Date of Patent: May 17, 1994
    Inventors: Kathy A. Hummel, Diane C. Wirtjes, Donald L. Wirtjes