Granted Patent
Utility
US 5,868,432 · App. 08/682,240
Document with anti-counterfeiting means to prevent reproducibility by photocopying
Inventor:
Walter Mantegazza
Patented Case
View Patent ↗
Granted: Feb 9, 1999
Filed: Jul 17, 1996
Inventor
Walter Mantegazza
Assignee (at issue)
Mantegazza Antonio Arti Grafiche S.r.l.
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.