Patents by Inventor Katherine Joan Radville

Katherine Joan Radville 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).

  • Eraser and marker holder
    Patent number: D663776
    Type: Grant
    Filed: May 9, 2011
    Date of Patent: July 17, 2012
    Assignee: Sanford, L.P.
    Inventors: Carmen Okuku Lira-Nunez, Allison Rose Dunphy, Katherine Joan Radville
  • Eraser and marker holder
    Patent number: D669937
    Type: Grant
    Filed: May 3, 2012
    Date of Patent: October 30, 2012
    Assignee: Sanford, L.P.
    Inventors: Carmen Okuku Lira-Nunez, Allison Rose Dunphy, Katherine Joan Radville