Patents by Inventor Jon D. Kammerer

Jon D. Kammerer 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).

  • Guitar construction
    Patent number: 6376755
    Abstract: A guitar including a neck including a head and an opposing end attached to a sound box and strings extending between the head and a bridge carried by the sound box, the sound box having a sound hole leading to a sound chamber that is defined by an inner surface including opposing generally concave faces that meet at a substantially continuous and parabolic face.
    Type: Grant
    Filed: September 21, 2000
    Date of Patent: April 23, 2002
    Inventor: Jon D. Kammerer
  • Guitar
    Patent number: D444166
    Type: Grant
    Filed: July 14, 2000
    Date of Patent: June 26, 2001
    Inventor: Jon D. Kammerer