Patents by Inventor John Robert Koehler

John Robert Koehler 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: D473524
    Type: Grant
    Filed: August 13, 2002
    Date of Patent: April 22, 2003
    Inventor: John Robert Koehler