Granted Patent
Utility
US 6,422,142 · App. 09/805,086
Ink regulation device for a painting machine
Inventor:
Eduard Steinbacher
Patented Case
View Patent ↗
Granted: Jul 23, 2002
Filed: Mar 13, 2001
Inventor
Eduard Steinbacher
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.