Granted Patent
Utility
US 6,705,448 · App. 09/762,612
Method and apparatus for validating currency
Inventor:
Paul Franklin Steel
Patented Case
View Patent ↗
Granted: Mar 16, 2004
Filed: Mar 30, 2001
Inventor
Paul Franklin Steel
Assignee (at issue)
Mars, Incorporated
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.