Patents by Inventor Brian Francis Leonard

Brian Francis Leonard 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).

  • Light pipe composition
    Patent number: 6526213
    Abstract: The present invention provides polymeric material compositions having excellent white light transmission that is substantially free of color over long light path lengths. This invention also provides polymeric material compositions that provide for the transmission of light having a controlled color when illuminated with a white light source.
    Type: Grant
    Filed: May 18, 1999
    Date of Patent: February 25, 2003
    Assignee: Fiberstars Incorporated
    Inventors: Casmir Stanislaus Ilenda, Brian Francis Leonard, Michael Thomas Caro