Granted Patent
Utility
US 6,131,718 · App. 09/163,517
System and method for the detection of counterfeit currency
Inventor:
Charles Arthur Witschorik
Patented Case
View Patent ↗
Granted: Oct 17, 2000
Filed: Sep 30, 1998
Inventor
Charles Arthur Witschorik
Assignee (at issue)
LUCENT TECHNOLOGIES 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.