Granted Patent
Utility
US 6,797,331 · App. 10/161,817
Process for producing a chemical-resistant protective layer for a rotary body having a base body made from fiber-reinforced plastic
Inventors:
Josef Singler, Martin Endisch, Gerhard Johner, Markus Kirst
Patented Case
View Patent ↗
Granted: Sep 28, 2004
Filed: Jun 4, 2002
Inventors
Josef Singler
Martin Endisch
Gerhard Johner
Markus Kirst
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.