Granted Patent
Utility
US 5,208,447 · App. 07/527,439
Method for testing a terminal communicating with chip cards
Inventor:
Dietrich Kruse
Patented Case
View Patent ↗
Granted: May 4, 1993
Filed: May 23, 1990
Inventor
Dietrich Kruse
Assignee (at issue)
Siemens Aktiengesellschaft
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.