Granted Patent
Utility
US 5,957,052 · App. 08/995,329
Printing machine roller, especially an ink roller, with an ink-friendly coating of the cylinder surface of the roller core
Inventors:
Martin Endisch, Gerhard Johner
Patented Case
View Patent ↗
Granted: Sep 28, 1999
Filed: Dec 22, 1997
Inventors
Martin Endisch
Gerhard Johner
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.