Patents by Inventor Michael Patrick Fitzgerald

Michael Patrick Fitzgerald 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).

  • Adjustable base extender for a ladder
    Patent number: 9879481
    Abstract: A base extending mechanism is provided for a ladder in the form of pivotable lower leg sections which can be independently rotated outwards to provide a wider ladder base. This extension of the ladder base is complementary to and supported by a compatible ladder levelling mechanism.
    Type: Grant
    Filed: April 23, 2010
    Date of Patent: January 30, 2018
    Inventor: Michael Patrick Fitzgerald