Patents by Inventor David C. Alvarez

David C. Alvarez 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).

  • Process and recording media for continuous wave four-level, two-photon holography
    Patent number: 4339513
    Abstract: A process and recording medium for four-level, two-photon holography are provided. These media are particularly useful for recording holograms using continuous wave lasers. The recording medium is formed by a transport resin containing a tetrazine compound.
    Type: Grant
    Filed: November 20, 1980
    Date of Patent: July 13, 1982
    Assignee: International Business Machines Corporation
    Inventors: David C. Alvarez, Gary C. Bjorklund, Donald M. Burland