Granted Patent
Utility
US 5,598,006 · App. 08/374,889
Installation for quality control of printed sheets, especially security paper
Inventor:
Luigi Stringa
Patented Case
View Patent ↗
Granted: Jan 28, 1997
Filed: Jan 19, 1995
Inventor
Luigi Stringa
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.