Patents by Inventor Christopher P. Campbell

Christopher P. Campbell 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).

  • Air purifier
    Patent number: D442270
    Type: Grant
    Filed: May 25, 2000
    Date of Patent: May 15, 2001
    Assignee: Whirlpool Corporation
    Inventors: Christopher P. Campbell, Anne Margaret McSweeney, Murray M. Mallard, Alan D. Greer, Jay F. Perkins, Jeffery T. DeBord, Michael Kopczewski, Guolian Wu
  • Dehumidifier
    Patent number: D395492
    Type: Grant
    Filed: January 24, 1997
    Date of Patent: June 23, 1998
    Assignee: Whirlpool Corporation
    Inventors: Brian J. Phillips, Christopher M. Thompson, Christopher P. Campbell, Laura A. Billingham, David M. Jackson, James J. Morton, Jr.