Granted Patent
Utility
US 6,560,458 · App. 09/702,587
Method for identifying a call in a telecommunications system
Inventor:
Minna Rönkkö
Patented Case
View Patent ↗
Granted: May 6, 2003
Filed: Oct 31, 2000
Inventor
Minna Rönkkö
Assignee (at issue)
Nokia
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.