Granted Patent
Utility
US 6,047,051 · App. 08/881,391
Implementation of charging in a telecommunications system
Inventors:
Philip Ginzboorg, Jan-Erik Ekberg, Antti Yla-Jaaski
Patented Case
View Patent ↗
Granted: Apr 4, 2000
Filed: Jun 24, 1997
Inventors
Philip Ginzboorg
Jan-Erik Ekberg
Antti Yla-Jaaski
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.