Patents by Inventor William Classen

William Classen 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: D454216
    Type: Grant
    Filed: March 17, 2000
    Date of Patent: March 5, 2002
    Inventor: William Classen