Patents by Inventor Alan G. Stidwell

Alan G. Stidwell 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: 4710736
    Abstract: A flexible waveguide (1) has corrugated seamless walls (2) the corrugations of which are inclined to the transverse planes of the waveguide, that is, planes perpendicular to the longitudinal axis of the waveguide, at an angle of substantially 45.degree.. The inclined corrugations, which may be annular or helical, permit both flexing and twisting of the waveguide.
    Type: Grant
    Filed: March 4, 1985
    Date of Patent: December 1, 1987
    Inventor: Alan G. Stidwell