Patents by Inventor Kenneth J. Pidgeon

Kenneth J. Pidgeon 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).

  • Color enhancing lens
    Patent number: 5149183
    Abstract: A color enhancing sun lens comprising a lens having an integrated visible light transmission, with respect to CIE illuminant C, of less than 40% T, wherein the transmission over a 10 nm wide band centered on 480 nm and a second 10 nm wide band centered on 630 nm is at least 1.5 times the integrated visible light transmission of the lens.
    Type: Grant
    Filed: September 26, 1990
    Date of Patent: September 22, 1992
    Assignee: Pilkington Visioncare Holdings, Inc.
    Inventors: Colin M. Perrott, Kenneth J. Pidgeon