Granted Patent
Utility
US 5,671,671 · App. 08/588,131
Rotary screen printing machine for sheet printing
Inventors:
Hans Wyssmann, Johannes Georg Schaede
Patented Case
View Patent ↗
Granted: Sep 30, 1997
Filed: Jan 18, 1996
Inventors
Hans Wyssmann
Johannes Georg Schaede
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.