Patents by Inventor Helen McDevitt

Helen McDevitt 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).

  • Magnetic bookmark
    Patent number: D597132
    Type: Grant
    Filed: May 29, 2008
    Date of Patent: July 28, 2009
    Inventor: Helen McDevitt