Patents by Inventor Donna G. Knox

Donna G. Knox 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: D259137
    Type: Grant
    Filed: May 7, 1979
    Date of Patent: May 5, 1981
    Inventor: Donna G. Knox