Patents by Inventor Donald E. Joslin

Donald E. Joslin 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).

  • Reusable mass propulsion system
    Patent number: 5313851
    Abstract: A reusuable mass propulsion system comprising; means to change the force created by a linear accelerating mass into rotating kinetic energy, the kinetic energy being in a different plane and dimension which, in the process, gives at least 4 distinct thrusts to its vehicle host. The apparatus uses no magnetic forces, gases or particle discharges and requires only a power source such as solar energy for its activation.
    Type: Grant
    Filed: February 21, 1992
    Date of Patent: May 24, 1994
    Inventors: Harold L. Hull, Donald E. Joslin