Patents by Inventor Stefan Spann

Stefan Spann 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: D496295
    Type: Grant
    Filed: December 3, 2003
    Date of Patent: September 21, 2004
    Inventors: Stefan Spann, Gregory Gorchels