Granted Patent
Utility
US 5,692,439 · App. 08/430,241
Printing unit for blanket-to-blanket printing
Inventor:
Erich Wech
Patented Case
View Patent ↗
Granted: Dec 2, 1997
Filed: Apr 28, 1995
Inventor
Erich Wech
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.