Patents by Inventor Allen L. Duddles

Allen L. Duddles 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).

  • RF Package including RF shielding for a multiple PC board
    Patent number: 4370700
    Abstract: A cast aluminum base including a flat portion and perpendicular upright walls having an RF printed circuit board mounted in abutting engagement with the ends of the walls parallel to the flat portion, the radiating circuits generally lying between the board and the flat portion, and encircled by the walls with a generally flat cover affixed to the walls on the opposite side of the board and spaced therefrom to completely enclose the board for RF shielding. Openings are formed through the board and flat plates having feedthrough components are affixed thereover to provide connections to the enclosed board and walls are provided between the board and the cover in encircling position relative to the circuits to be shielded.
    Type: Grant
    Filed: November 13, 1981
    Date of Patent: January 25, 1983
    Assignee: Motorola Inc.
    Inventors: Allen L. Duddles, Daniel G. Toomey
  • Front panel for a communication system analyzer or similar article
    Patent number: D263207
    Type: Grant
    Filed: June 18, 1979
    Date of Patent: March 2, 1982
    Assignee: Motorola Inc.
    Inventors: Robert H. Bickley, Allen L. Duddles, Robert J. Skalka, John R. Rezek, Kenneth W. Larson