Granted Patent
Utility
US 6,741,686 · App. 10/030,938
Controlling setup or continuation of a call charged from a pre-paid group account
Inventors:
Jesper Bekkevold, Pirjo Haakana
Patented Case
View Patent ↗
Granted: May 25, 2004
Filed: Mar 25, 2002
Inventors
Jesper Bekkevold
Pirjo Haakana
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.