Patents by Inventor P. Stephen Keith

P. Stephen Keith 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).

  • Optical transmission cable with messenger
    Patent number: 4763983
    Abstract: An optical transmission cable with messenger being of an all-dielectric construction particularly suitable for use in aerial optical communication applications and comprising a figure-eight optical transmission cable with a messenger having a fiber reinforced plastic rod bonded to a polyethylene jacket with an adhesive layer of ethylene acrylic acid in order to prevent relative movement between the messenger rod and the polyethylene jacket.
    Type: Grant
    Filed: December 31, 1986
    Date of Patent: August 16, 1988
    Assignee: Sumitomo Electric Research Triangle, Inc.
    Inventor: P. Stephen Keith