Granted Patent
Utility
US 5,152,220 · App. 07/734,259
Wiping device for the plate cylinder of an intaglio printing machine
Inventors:
Georg J. Lindner, Johannes G. Shaede, Hans-Jurgen Zelfel
Patented Case
View Patent ↗
Granted: Oct 6, 1992
Filed: Jul 22, 1991
Inventors
Georg J. Lindner
Johannes G. Shaede
Hans-Jurgen Zelfel
Assignee (at issue)
De La Rue Giori S.A.
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.