Patents by Inventor Bradley D. Siewert

Bradley D. Siewert 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).

  • Levitated rail system
    Patent number: 5566620
    Abstract: A levitated rail system for vehicle transportation utilizing a plurality of cylindrical, tubular rails. Freight capsules may be transported within the hollow interiors of the rails. One or more cars travel at high speed above two of the rails by levitation.
    Type: Grant
    Filed: November 16, 1995
    Date of Patent: October 22, 1996
    Inventor: Bradley D. Siewert