Granted Patent
Utility
US 6,216,592 · App. 09/458,629
Double printing unit of a rotary printing machine
Inventors:
Peter Knauer, Josef Singler
Patented Case
View Patent ↗
Granted: Apr 17, 2001
Filed: Dec 10, 1999
Inventors
Peter Knauer
Josef Singler
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.