Patents by Inventor William E. Stinson

William E. Stinson 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).

  • Dual photoelastic modulator heterodyne interferometer
    Patent number: 4865450
    Abstract: A heterodyne type interferometer utilizing two optically aligned photoelac modulators driven at the same frequency and in phase quadrature.
    Type: Grant
    Filed: June 23, 1988
    Date of Patent: September 12, 1989
    Assignee: United States of America as represented by Secretary of the Air Force
    Inventors: Stacy M. Munechika, Robert M. Heimlich, William E. Stinson