Patents by Inventor Lee Ann Steffen, legal representative

Lee Ann Steffen, legal representative 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).

  • Method for replacing a damaged railroad freight car brake beam
    Patent number: 7430794
    Abstract: A method for replacing a damaged brake beam on a railcar having a car body supported on a railcar truck. The railcar truck includes a wheel and axle assembly mounted between a pair of laterally spaced side frames. The side frames include structure, on an inboard side thereof, for guiding and supporting the brake beam, and with the structure on the side frame members defining a predetermined lateral distance therebetween.
    Type: Grant
    Filed: November 24, 2004
    Date of Patent: October 7, 2008
    Assignee: Powerbrace Corporation
    Inventors: Lee Ann Steffen, legal representative, John J. Steffen