Patents by Inventor Jeffrey William Hemmelgarn

Jeffrey William Hemmelgarn 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: 8863661
    Abstract: A system and method for reducing and/or eliminating the printed layer-over-layer registration error.
    Type: Grant
    Filed: March 11, 2011
    Date of Patent: October 21, 2014
    Assignee: Ohio Gravure Technologies, Inc.
    Inventors: John W. Fraser, Jeffrey William Hemmelgarn, Eric J. Serenius
  • Publication number: 20120227599
    Abstract: A system and method for reducing and/or eliminating the printed layer-over-layer registration error.
    Type: Application
    Filed: March 11, 2011
    Publication date: September 13, 2012
    Applicant: DAETWYLER R&D CORP.
    Inventors: John W. Fraser, Jeffrey William Hemmelgarn, Eric J. Serenius