Patents by Inventor Humphrey, William E.

Humphrey, William E. 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).

  • Semi-liquid stabilized optices
    Patent number: 3944325
    Abstract: Optics are stabilized by suspending an optical element in a semi-liquid, either freely or by supports allowing for substantial freedom of movement. The semi-liquid provides support for the optical element, damping of oscillation and minimal distortions resulting from inhomogeneous adsorption of heat by the fluid media.
    Type: Grant
    Filed: April 29, 1974
    Date of Patent: March 16, 1976
    Assignee: Optical Research and Development Corporation
    Inventor: Humphrey, William E.