Granted Patent
Utility
US 6,631,676 · App. 08/999,954
Process and apparatus for gravure
Inventors:
Armin Weichmann, Arnim Franz-Burgholz, Rainer Stamme, Andreas Schiller, Hans-Peter Fleischmann
Patented Case
View Patent ↗
Granted: Oct 14, 2003
Filed: Dec 5, 1997
Inventors
Armin Weichmann
Arnim Franz-Burgholz
Rainer Stamme
Andreas Schiller
Hans-Peter Fleischmann
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.