Granted Patent
Utility
US 6,341,220 · App. 09/180,034
Finding copied sim cards
Inventor:
Jaana Hurme
Patented Case
View Patent ↗
Granted: Jan 22, 2002
Filed: Oct 30, 1998
Inventor
Jaana Hurme
Assignee (at issue)
Nokia Telecommunications Oy
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.