Patents by Inventor O'Dell, E. Wayne

O'Dell, E. Wayne 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: 4262497
    Abstract: Multi-element transparent gemstones comprising pleochroic materials are provided which evidence enhanced colors or other unusual optical properties, based on the pleochroic behavior of the material. Doublet stones, comprising two pleochroic materials, and triplet stones, comprising two pleochroic materials separated by an optical rotator, are described. The multi-element gem may have a rotatably mounted pleochroic element or a rotatably mounted optical rotator.
    Type: Grant
    Filed: April 23, 1979
    Date of Patent: April 21, 1981
    Assignee: Allied Chemical Corporation
    Inventors: Robert C. Morris, O'Dell, E. Wayne