Patents by Inventor Harold A. Graham

Harold A. Graham 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: 4859080
    Abstract: A dynamic thermal display simulator for testing thermal sensors having a matrix of individually programmable heater elements which are arranged in a linear array on the edge of a board comprising a low, thermal-conductive, electrically insulating substrate. A plurality of boards are arranged in rows to create the matrix.
    Type: Grant
    Filed: July 22, 1988
    Date of Patent: August 22, 1989
    Assignee: SSG, Inc.
    Inventors: Joseph S. Titus, Dexter Wang, Harold A. Graham