Patents by Inventor Jon R. Campbell

Jon R. Campbell 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: D649728
    Type: Grant
    Filed: January 3, 2011
    Date of Patent: November 29, 2011
    Inventor: Jon R. Campbell