Patents by Inventor Kenneth J. Dunkley

Kenneth J. Dunkley 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).

  • Three-dimensional viewing glasses
    Patent number: 4810057
    Abstract: A three-dimensional viewer employs adjustable diameter pinholes with the distance between the pinholes being adjustable each of the pinholes having an optical axis which is aligned with illocal frames, the spacing between the frames also being adjustable.
    Type: Grant
    Filed: April 18, 1986
    Date of Patent: March 7, 1989
    Inventor: Kenneth J. Dunkley