Patents by Inventor Owin Parri

Owin Parri 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).

  • Combination of optical films comprising a twisted a-plate and a polarizer
    Patent number: 7187424
    Abstract: The invention relates to a combination of optical films comprising a twisted A-plate retarder and a polarizer, its use in displays and optical elements, and to displays comprising such a combination.
    Type: Grant
    Filed: February 22, 2002
    Date of Patent: March 6, 2007
    Assignee: Merck Patent GmbH
    Inventors: Owin Parri, Karl Skjonnemand, Kim Slaney, Mark Verrall