Patents by Inventor Kathy E. Tetzlaff

Kathy E. Tetzlaff 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: D307661
    Type: Grant
    Filed: May 21, 1987
    Date of Patent: May 8, 1990
    Inventor: Kathy E. Tetzlaff