Granted Patent
Utility
US 5,718,318 · App. 08/571,819
Validating value carriers
Inventor:
Arnold Walter Wachter
Patented Case
View Patent ↗
Granted: Feb 17, 1998
Filed: Feb 14, 1996
Inventor
Arnold Walter Wachter
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.