Patents by Inventor Lindley Frahm

Lindley Frahm 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).

  • Foldable piano keyboard
    Patent number: 10937405
    Abstract: A portable piano keyboard is configured to be separable into multiple keyboard sections.
    Type: Grant
    Filed: May 11, 2020
    Date of Patent: March 2, 2021
    Inventor: Lindley Frahm