Patents by Inventor Ray Allen Knapp

Ray Allen Knapp 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).

  • Van ramp
    Publication number: 20160144758
    Abstract: A van ramp is disclosed which may be affixed to a conventional van which has a large opening with doors in either the rear or the side of the van. The van ramp may be operated horizontally to act as a loading ramp or vertically to operate as a door to allow easy access to the interior of the van.
    Type: Application
    Filed: November 20, 2014
    Publication date: May 26, 2016
    Inventor: Ray Allen Knapp