Patents by Inventor Leo D. Piotrowski

Leo D. Piotrowski 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).

  • Pull-out step assembly for a pickup truck
    Patent number: 7168722
    Abstract: A pull-out step assembly for a cargo box vehicle is disclosed. The assembly provides one or two steps to access the cargo box of a pickup truck or similar vehicle. The pull-out step assembly can be deployed with the tail gate of the cargo box in a closed or open condition. The pull-out step assembly attaches to the vehicle frame and stores beneath the cargo box when not in use. Also disclosed is a protective box member that covers the step assembly when stored beneath the cargo box.
    Type: Grant
    Filed: August 23, 2004
    Date of Patent: January 30, 2007
    Inventors: Leo D. Piotrowski, Jesse J. Wilson