Patents by Inventor William H. Frampton

William H. Frampton 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).

  • Sliding fifth wheel
    Patent number: 4429892
    Abstract: A device for attachment to a tractor for selectively moving the fifth wheel assembly of the tractor. The device has two drive members which are affixed to the frame of the tractor at one end and to the fifth wheel platform at the other end. The drive members may be extended or contracted from the cab of the tractor to cause the fifth wheel platform to slide.
    Type: Grant
    Filed: June 25, 1981
    Date of Patent: February 7, 1984
    Inventors: William H. Frampton, Alfred M. Bos