Patents by Inventor Richard A. Allnutt

Richard A. Allnutt 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: 6606074
    Abstract: A hand-held dual frequency satellite communication antenna of circular polarization-capable characteristics is disclosed. The antenna system is based on Yagi/Udi spaced elements, including tuned trap-enabled dual frequency elements, disposed in orthogonal planes of a hand-receivable antenna boom element. The antenna system is fabricated from low cost readily obtainable materials and in a manner permitting easy disassembly and packaging for carriage to an isolated location of usage. Configuration of the disclosed antenna system for transmission and reception in two different popular amateur radio satellite communication bands is included. Antenna system field pattern characteristics and actual element lengths are included in the disclosure.
    Type: Grant
    Filed: April 3, 2002
    Date of Patent: August 12, 2003
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventor: Richard A. Allnutt