Patents by Inventor Michael R. McKenzie

Michael R. McKenzie 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).

  • Multi-purpose end-gate for overland vehicles
    Patent number: 4906041
    Abstract: For use in combination along the transversely extending horizontal rear-end of a pickup truck or other overland vehicle, there is described an upright end-gate that is also alternatively employable as a ramp or as a trailer whenever panels of the end-gate are freed from their upright gating condition.
    Type: Grant
    Filed: February 13, 1989
    Date of Patent: March 6, 1990
    Inventor: Michael R. McKenzie