Patents by Inventor Stephen R. Draper

Stephen R. Draper 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).

  • Learning aids
    Patent number: 5540133
    Abstract: A learning aid adapted to be attached to an instrument of the type defined. The learning aid is arranged to lie generally parallel with the fretboard or fingerboard of the instrument and to afford a visual display indicating the string or strings, and the position at which the string or strings are to be depressed against the fretboard or fingerboard to obtain a desired musical note, chord or scale.
    Type: Grant
    Filed: February 1, 1994
    Date of Patent: July 30, 1996
    Inventors: Stephen R. Draper, Paul Jenkinson