Patents by Inventor Gregory R. Ristau

Gregory R. Ristau 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: 5062117
    Abstract: A laser system comprising: a holder having one end which is adapted to receive pumping light from a source and having an opposite end which transmits laser light to an optical fiber, the holder defining a predetermined axis of propagation which extends between its ends; and a lasant material which is carried by the holder between the ends of the holder and which is located by the holder at an angle which is measured between at least one optical axis and the axis of propagation and which has a magnitude from zero to ninety degrees.
    Type: Grant
    Filed: July 11, 1990
    Date of Patent: October 29, 1991
    Assignee: Amoco Corporation
    Inventors: Douglas W. Anthon, Alan T. Eggleston, Gregory R. Ristau