Patents by Inventor Raymond C. Montgomery

Raymond C. Montgomery 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: 4913534
    Abstract: A real-time dynamic holographic image storage device uses four-wave mixing in a pair of photorefractive crystals. An oscillation is produced between the crystals which can be maintained indefinitely after the initial object beam is discontinued. The object beam produces an interference patORIGIN OF THE INVENTIONThe invention described herein was made by employees of the United States Government and may be manufactured and used by or for the Government for governmental purposes without the payment of any royalties thereon or therefor.
    Type: Grant
    Filed: March 2, 1989
    Date of Patent: April 3, 1990
    Assignee: Administrator of the National Aeronautics and Space Administration
    Inventors: Sharon S. Lafleur, Raymond C. Montgomery