Patents by Inventor Robert R. McWithey

Robert R. McWithey 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).

  • Metal matrix composite structural panel construction
    Patent number: 4411380
    Abstract: Lightweight capped honeycomb stiffeners 18 for use in fabricating metal or metal/matrix exterior structural panels 14 on aerospace type vehicles 10 and the process for fabricating same are disclosed. The stiffener stringers are formed in sheets (FIG. 6), cut to the desired width and length and brazed in spaced relationship to a skin 16 (FIG. 2) with the honeycomb material serving directly as the required lightweight stiffeners and not requiring separate metal encasement for the exposed honeycomb cells.
    Type: Grant
    Filed: June 30, 1981
    Date of Patent: October 25, 1983
    Assignee: The United States of America as represented by the Administrator of the National Aeronautics and Space Administration
    Inventors: Robert R. McWithey, Dick M. Royster, Thomas T. Bales