Patents by Inventor John Rief

John Rief 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: D549004
    Type: Grant
    Filed: December 15, 2004
    Date of Patent: August 21, 2007
    Inventor: John Rief