Patents by Inventor Roger F. Lufkin

Roger F. Lufkin 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).

  • Model rocket propulsion system
    Patent number: 4355577
    Abstract: The invention relates generally to a small model rocket motor. The motor includes a plastic composite propellant, and plastic ablative nozzle, and provides means for producing thrust, a time delay, and a charge to activate external devices of desirable design.
    Type: Grant
    Filed: August 25, 1980
    Date of Patent: October 26, 1982
    Inventors: Michael S. Ady, Roger F. Lufkin, Kevin L. Lynch