Patents by Inventor Richard K. Mackne

Richard K. Mackne 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).

  • Patent number: 4776993
    Abstract: A method of manufacturing composite propellants which include compounding e propellant with an extended final mix cycle, partially curing the propellant mixture to a specified hardness, and extruding the propellant under certain conditions.
    Type: Grant
    Filed: May 14, 1974
    Date of Patent: October 11, 1988
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Marguerite S. Chang, Richard K. Mackne, Anthony Mycka, Jr., Carl L. Myers, Jr.