Patents by Inventor Martin Leonhard Dreher

Martin Leonhard Dreher 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).

  • Print control for flexographic printing
    Patent number: 6984478
    Abstract: A print control for flexographic printing, particularly a flexographic printing form comprising a print control element, and a process for producing such a flexographic printing form.
    Type: Grant
    Filed: September 10, 2003
    Date of Patent: January 10, 2006
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Martin Leonhard Dreher, Carsten Gasczyk
  • Print control for flexographic printing
    Publication number: 20040126682
    Abstract: A print control for flexographic printing, particularly a flexographic printing form comprising a print control element, and a process for producing such a flexographic printing form.
    Type: Application
    Filed: September 10, 2003
    Publication date: July 1, 2004
    Inventors: Martin Leonhard Dreher, Carsten Gasczyk