Patents by Inventor Kathleen M. Duffy

Kathleen M. Duffy 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).

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    Patent number: D482057
    Type: Grant
    Filed: October 15, 2002
    Date of Patent: November 11, 2003
    Inventors: Kathleen M. Duffy, George P. Duffy