Patents by Inventor Dwught Duston

Dwught Duston 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).

  • Publication number: 20050219460
    Abstract: A spectacle lens is disclosed. The disclosed lens provides a vision correcting area for the correction of a wearer's refractive error. The viewing correction area provides correction for non-conventional refractive error to provide at least a part of the wearer's vision correction. The lens has a prescription based on a wave front analysis of the wearer's eye and the lens can further be modified to fit within an eyeglass frame.
    Type: Application
    Filed: May 11, 2005
    Publication date: October 6, 2005
    Applicant: E-Vision, LLC
    Inventors: Ronald Blum, Dwught Duston, Dan Katzman