Patents by Inventor Ralph C. Hopkins

Ralph C. Hopkins 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: 4969707
    Abstract: A high quality fiber optic viewing device is provided which includes a fiber optic bundle having two ends, each end being cut in a plane perpendicular to the longitudinal axes of the optical fibers and highly polished. At the input end of the device a lens system presents a wide angle view to the bundle. The output end is able to be viewed directly or by a television camera. The device is particularly suited for use in moving vehicles, security systems and inspection of dangerous or hard to reach objects.
    Type: Grant
    Filed: June 19, 1987
    Date of Patent: November 13, 1990
    Inventor: Ralph C. Hopkins