Patents by Inventor George W. Keppler

George W. Keppler 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).

  • Patent number: D644822
    Type: Grant
    Filed: August 19, 2009
    Date of Patent: September 13, 2011
    Inventors: Richard E. Keppler, Frank R. Keppler, George W. Keppler