Granted Patent
Utility
US 5,704,652 · App. 08/093,068
Tamper evident and counterfeit resisting informational article and associated method
Inventor:
Yoram Curiel
Patented Case
View Patent ↗
Granted: Jan 6, 1998
Filed: Jul 16, 1993
Inventor
Yoram Curiel
Assignee (at issue)
Optical Security Group, Inc.
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.