Patents by Inventor William H. McCulla

William H. McCulla 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).

  • Apparatus for shifting the wavelength of light
    Patent number: 4418989
    Abstract: A light beam is reflected back and forth between a rotating body having a retroreflection corner at opposite ends thereof and a fixed mirror to change the wavelength of the light beam by the Doppler effect.
    Type: Grant
    Filed: January 29, 1982
    Date of Patent: December 6, 1983
    Assignee: The United States of America as represented by the U.S. Department of Energy
    Inventors: William H. McCulla, John D. Allen, Jr.