Granted Patent
Utility
US 6,408,747 · App. 09/241,884
Offset printing unit
Inventors:
Gunter Koppelkamm, Ralf Schädlich, Johannes Behmel
Patented Case
View Patent ↗
Granted: Jun 25, 2002
Filed: Feb 1, 1999
Inventors
Gunter Koppelkamm
Ralf Schädlich
Johannes Behmel
Assignee (at issue)
MAN Roland Druckmaschinen AG
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.