Patents by Inventor Jan Braathen

Jan Braathen 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).

  • Device on a string tightener for stringed instruments
    Patent number: 4648303
    Abstract: A device on a string tightener for string instruments, comprising a fixing peg for the string which may be attached to the neck of the instrument. The fixing peg is rotatably mounted by means of a self-locking worm. The free end of the peg is provided with a threaded section, which works in conjunction with a screw or a nut. A plane section running radially has been provided for clamping down the string, said plane section working in conjunction with a corresponding section on the screw or nut, or with a part working in conjunction with these. This part may be a distance bush, mounted on top of the plane section of the peg.
    Type: Grant
    Filed: June 24, 1985
    Date of Patent: March 10, 1987
    Inventors: Jan Braathen, Kristian Bryn