Patents by Inventor John Paul Pallay

John Paul Pallay 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).

  • Musical key-changing apparatus for stringed instruments
    Patent number: 9875728
    Abstract: This invention, a key-changing apparatus for stringed musical instruments, automatically sets all the strings to the necessary flats and sharps for any key signature selected. This allows musicians, particularly novices, to play musical scores in any key signature without having to remember to flatten or sharpen all the multiple notes required by the key signature.
    Type: Grant
    Filed: April 19, 2016
    Date of Patent: January 23, 2018
    Inventor: John Paul Pallay