Patents by Inventor John R. Gannon

John R. Gannon 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 fiber formed of MgO--Al.sub.2 O.sub.3 --SiO.sub.2 glass
    Patent number: 4664473
    Abstract: Optical fibers comprising core and/or cladding elements composed of MgO--Al.sub.2 O.sub.3 --SiO.sub.2 glasses are described wherein control of thermal expansion mismatch among the core and cladding elements is possible. Low-stress, high numerical aperture fibers as well as prestressed polarization-relating and high strength fibers are described.
    Type: Grant
    Filed: April 1, 1985
    Date of Patent: May 12, 1987
    Assignee: Corning Glass Works
    Inventor: John R. Gannon