Patents by Inventor Chris Koeppen

Chris Koeppen 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 for the preparation of optical fibers
    Patent number: 5911025
    Abstract: Optical fibers having novel refractive index profiles are disclosed. Optical fibers in accordance with the invention are especially useful for application in telecommunication applications such as networks. Processes for the preparation of optical fibers are also disclosed.
    Type: Grant
    Filed: February 13, 1998
    Date of Patent: June 8, 1999
    Assignee: The Trustees of the University of Pennsylvania
    Inventors: A. F. Garito, Rui-Fang Shi, Chris Koeppen, Weidong Chen
  • Graded index optical fibers
    Patent number: 5729645
    Abstract: Optical fibers having novel refractive index profiles are disclosed. Optical fibers in accordance with the invention are especially useful for application in telecommunication applications such as networks. Processes for the preparation of optical fibers are also disclosed.
    Type: Grant
    Filed: August 13, 1996
    Date of Patent: March 17, 1998
    Assignee: The Trustees of the University of Pennsylvania
    Inventors: A. F. Garito, Rui-Fang Shi, Chris Koeppen, Weidong Chen