Patents by Inventor Robin Gregory Barthell

Robin Gregory Barthell 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: D478584
    Type: Grant
    Filed: June 17, 2002
    Date of Patent: August 19, 2003
    Inventor: Robin Gregory Barthell