Patents by Inventor Caroline R. Johnston

Caroline R. Johnston 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).

  • Steam powered plane or vehicle
    Patent number: 4238643
    Abstract: A steam propulsion system for planes or vehicles, which utilizes a directional thrust, generated by nuclear heated water and air.
    Type: Grant
    Filed: March 20, 1979
    Date of Patent: December 9, 1980
    Inventor: Caroline R. Johnston