Patents by Inventor Richard B. Butts

Richard B. Butts 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).

  • Portion of an ink tank
    Patent number: D456446
    Type: Grant
    Filed: July 24, 2001
    Date of Patent: April 30, 2002
    Assignee: Xerox Corporation
    Inventors: Edward M. Carrese, Hiep Nguyen, Eric A. Merz, Bruce A. LaPlant, Richard B. Butts, Douglas J. Baxendell, Dennis M. Lengyel, David P. Breemes