Patents by Inventor Roger W. Ellender

Roger W. Ellender 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).

  • Ink tank
    Patent number: D425110
    Type: Grant
    Filed: June 5, 1998
    Date of Patent: May 16, 2000
    Assignee: Xerox Corporation
    Inventors: Steven J. Dietl, Roger W. Ellender, Dennis M. Lengyel