Patents by Inventor Douglas E. McElheny

Douglas E. McElheny 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).

  • Method of prethreading a fiber draw process
    Patent number: 6260389
    Abstract: A method for threading a lead end of a fiber through the drawing apparatus of a fiber draw process. A prethread filament is fed through the apparatus of a draw process. One end of the prethread filament is then attached to the lead end of the fiber and used to pull the fiber through the apparatus of the draw process.
    Type: Grant
    Filed: June 21, 1999
    Date of Patent: July 17, 2001
    Assignee: Corning Incorporated
    Inventors: Kenneth J. Kelmer, Douglas E. McElheny