Patents by Inventor Stewart R. Knox

Stewart R. 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: D612176
    Type: Grant
    Filed: May 7, 2009
    Date of Patent: March 23, 2010
    Inventors: Amy I. Knox, Stewart R. Knox