Patents by Inventor James N. Rolph

James N. Rolph 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).

  • Sports/utility vehicle trailer
    Patent number: 6644706
    Abstract: A trailer and hitch assembly are arranged so that the trailer may be towed closely behind a motor vehicle without articulation. A pair of frame members extends forward from the trailer for engagement into a corresponding pair of receivers that are included in a hitch extension assembly. Locking mechanisms are arranged to secure the frame members to a hitch cross member that may be included in a standard trailer hitch connected to the motor vehicle.
    Type: Grant
    Filed: January 15, 2003
    Date of Patent: November 11, 2003
    Inventor: James N. Rolph
  • Sports/utility vehicle trailer
    Publication number: 20030137159
    Abstract: A trailer and hitch assembly are arranged so that the trailer may be towed closely behind a motor vehicle without articulation. A pair of frame members extends forward from the trailer for engagement into a corresponding pair of receivers that are included in a hitch extension assembly. Locking mechanisms are arranged to secure the frame members to a hitch cross member that may be included in a standard trailer hitch connected to the motor vehicle.
    Type: Application
    Filed: January 15, 2003
    Publication date: July 24, 2003
    Inventor: James N. Rolph