Patents by Inventor Katherine J. Grathwohl

Katherine J. Grathwohl 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: D604393
    Type: Grant
    Filed: December 18, 2008
    Date of Patent: November 17, 2009
    Assignee: Graco Minnesota Inc.
    Inventors: Daniel R. Johnson, Pamela J. Muetzel, Diane L. Olson, Katherine J. Grathwohl
  • Patent number: D607968
    Type: Grant
    Filed: December 17, 2008
    Date of Patent: January 12, 2010
    Assignee: Graco Minnesota Inc.
    Inventors: Craig J. Wojciechowski, Diane L. Olson, Katherine J. Grathwohl
  • Patent number: D625775
    Type: Grant
    Filed: January 27, 2010
    Date of Patent: October 19, 2010
    Assignee: Graco Minnesota Inc.
    Inventors: Daniel R. Johnson, Diane L. Olson, Katherine J Grathwohl