Patents by Inventor Shawn L. Kelly

Shawn L. Kelly 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).

  • Jet ski hull and method of manufacture
    Patent number: 5036789
    Abstract: A bottom hull for a jet type watercraft is comprised of fiber reinforced plastic (FRP) outer liner and a separately produced FRP inner liner having stiffeners within the inner liner and which are joined uniquely to form a sandwich construction which provides a lightweight hull with increased strength, increased speeds, and steady planing of the craft over the water.
    Type: Grant
    Filed: March 1, 1990
    Date of Patent: August 6, 1991
    Inventors: Roy T. Kelly, Shawn L. Kelly