Patents by Inventor Lee Steffen

Lee Steffen 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
    Publication number: 20060108187
    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: Application
    Filed: November 24, 2004
    Publication date: May 25, 2006
    Inventors: John Steffen, Lee Steffen