Patents by Inventor Charley Richards

Charley Richards 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).

  • Polarized lens and method of making same
    Patent number: 5327180
    Abstract: A lens and a pair of glasses incorporating the lens wherein each lens has first and second lens elements, preferably formed of mineral glass, with a bigradient coating deposited on the inner surface of the first lens element by a vacuum coating process. The lens elements are laminated together with a polarization film therebetween and have an anti-reflectant coating preferably on the outer surface of the second lens element. Waterproof coatings may be formed on the anti-reflectant coated outer surface of the second lens element and the outer surface of the first lens element.
    Type: Grant
    Filed: August 18, 1992
    Date of Patent: July 5, 1994
    Assignee: Hester Enterprises, Inc.
    Inventors: Walter F. Hester, III, Charley Richards