Patents by Inventor Mel Waldorf

Mel Waldorf 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).

  • Stringed musical instrument with rotating neck
    Patent number: 9697808
    Abstract: Provided is a foldable stringed having a rotating neck in which the fret board in the folded position is opposite the rear face and the mechanism employs a flexible cable system under variable tension.
    Type: Grant
    Filed: December 24, 2015
    Date of Patent: July 4, 2017
    Inventors: Christopher J. Sanzo, Mel Waldorf
  • Stringed musical instrument with rotating neck
    Patent number: 9224370
    Abstract: Provided is a foldable stringed having a rotating neck in which the fret board in the folded position is opposite the rear face and the mechanism employs a flexible cable system under variable tension.
    Type: Grant
    Filed: November 24, 2014
    Date of Patent: December 29, 2015
    Inventors: Christopher J. Sanzo, Mel Waldorf