Patents by Inventor Perry J. Prestenbach

Perry J. Prestenbach 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).

  • Marsh craft track adapter
    Patent number: 4817554
    Abstract: Disclosed herein is an adapter for rendering an earth mover amphibious, comprising a buggy assembly having a pair of buoyant pontoons and tracks that are driven around the pontoons by hydraulic motors situated coaxially with drive sprockets for the track. The track is driven by the motor without an intermediate chain drive, thus avoiding certain environmental and personal dangers.
    Type: Grant
    Filed: July 10, 1987
    Date of Patent: April 4, 1989
    Inventor: Perry J. Prestenbach