Patents by Inventor Charles G. Cline

Charles G. Cline 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).

  • Convertible powerboat
    Patent number: 5218918
    Abstract: A convertible powerboat is provided which consists of a hull having a bow and a stern, a power source at the stern of the hull and a mechanism for altering the power source, so that it can be changed from an outboard motor boat to an air powered boat and vice versa. A hull module can also be installed to the underside of the hull to change the configuration of the hull.
    Type: Grant
    Filed: July 13, 1992
    Date of Patent: June 15, 1993
    Inventor: Charles G. Cline