Patents by Inventor Matthew T. Johansen

Matthew T. Johansen 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: D590510
    Type: Grant
    Filed: August 1, 2007
    Date of Patent: April 14, 2009
    Inventors: Matthew T. Johansen, John C. Seivert