Patents by Inventor Mary O'Neil

Mary O'Neil 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).

  • Patent number: 6692797
    Abstract: Alignment layers for use in liquid crystal devices comprising photoactive pentaerythritol derivatives. 1,2,3,4-trakiskis(8-[2-oxo-2H-1-benzopyran-7-yloxy]octanoyloxy)pentaerythritol is but one example.
    Type: Grant
    Filed: November 21, 2001
    Date of Patent: February 17, 2004
    Assignee: Qinetiq Limited
    Inventors: Gareth J Owen, Peregrin O Jackson, Mary O'Neil, Stephen M Kelly
  • Patent number: D333611
    Type: Grant
    Filed: July 25, 1990
    Date of Patent: March 2, 1993
    Inventor: Mary O'Neil