Patents by Inventor Douglas J Diekman

Douglas J Diekman 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: D685625
    Type: Grant
    Filed: September 11, 2012
    Date of Patent: July 9, 2013
    Inventor: Douglas J Diekman