Patents by Inventor Wilbert Hinkle

Wilbert Hinkle 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).

  • Patent number: 5868412
    Abstract: A vehicle having a horizontal transport platform or bed with steps mounted within the horizontal platform. The vehicle comprises a horizontal platform supported three to four feet above ground by wheels. The platform is reinforced by longitudinal I-beams. In accordance with the present invention, a rectangular opening is provided at the rear of the platform. The opening is positioned between adjacent longitudinal I-beams. The opening contains one or more steps that descend from the level of the horizontal platform to just above ground level. The steps are within the perimeter of the platform. To maximize transport area on the horizontal platform, a cover is provided for the platform opening. The cover is attached by a hinge along one side of the rectangular opening in the horizontal platform.
    Type: Grant
    Filed: May 31, 1996
    Date of Patent: February 9, 1999
    Inventor: Wilbert Hinkle