Granted Patent
Utility
US 6,505,047 · App. 09/402,164
Reduction of signaling load in packet radio network
Inventor:
Virpi Palkisto
Patented Case
View Patent ↗
Granted: Jan 7, 2003
Filed: Dec 27, 1999
Inventor
Virpi Palkisto
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.