Patents by Inventor Donal M O'Keeffe

Donal M O'Keeffe 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).

  • Masking panel
    Patent number: D412007
    Type: Grant
    Filed: April 10, 1998
    Date of Patent: July 13, 1999
    Assignee: Viewlight Systems Limited
    Inventors: Donal M O'Keeffe, Oliver St. Clair Hood