Patents by Inventor Gordon B. Mitchell

Gordon B. Mitchell 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).

  • Tipping trailer
    Patent number: 4394105
    Abstract: This invention provides a tipping trailer where the trailer frame is pivotably connected to a hopper for the trailer. Upon release of a lock the hopper may tilt on its pivot with the frame such that a portion thereof makes contact with the surface below and on reversal of the trailer the hopper will tilt and roll back until it is up-ended.
    Type: Grant
    Filed: April 13, 1981
    Date of Patent: July 19, 1983
    Inventor: Gordon B. Mitchell