Patents by Inventor George A. Sisson

George A. Sisson 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: 4586505
    Abstract: A laryngeal and tracheal stent which can be used to reconstruct the larynx or trachea consists of an elongated cylindrical stenting cuff with an independently inflatable retention cuff at the top and a second independent inflatable retention cuff at the bottom. The stent also has individual cuff pilot tubes for separately inflating or aspirating the stenting, top and bottom cuffs, and guide means for moving the stent into place.
    Type: Grant
    Filed: May 3, 1984
    Date of Patent: May 6, 1986
    Assignee: Universal Prosthetics, Inc.
    Inventors: George A. Sisson, Robert E. Berktold, Henry W. Lynch