Granted Patent
Utility
US 4,905,596 · App. 07/252,173
Combined cleaning and safety device for printing cylinder
Inventor:
Ingo Kobler
Patented Case
View Patent ↗
Granted: Mar 6, 1990
Filed: Sep 30, 1988
Inventor
Ingo Kobler
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.