Patents by Inventor John Bertil Folkesson

John Bertil Folkesson 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).

  • Publication number: 20090188374
    Abstract: Disclosed are systems and methods of receiving note selections from a musician while providing an appropriate tactile sensation to the musician's fingers.
    Type: Application
    Filed: January 17, 2009
    Publication date: July 30, 2009
    Inventor: John Bertil Folkesson