Patents by Inventor Allan P. Stark

Allan P. Stark 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: 3953055
    Abstract: The hitch assembly of the invention is comprised of a horizontal member adapted to be secured to a tongue of the object to be drawn or pulled. The horizontal member has first and second spaced apart downwardly projecting elements. The first element has a cross-section suitable for engaging an opening in a drawbar of the tractor or object and the first element has a length less than the second element. A latching element is pivotally secured to the second element in an end region of the second element. The latching element has an upwardly extending arm having a portion extending transverse to the horizontal member. In addition, the latching element has a length such that the transverse portion is held by the force of gravity against the end region of the first element.
    Type: Grant
    Filed: June 30, 1975
    Date of Patent: April 27, 1976
    Assignees: Robert L. McCormick, S. Ray Simon Associates Co.
    Inventor: Allan P. Stark