Granted Patent
Utility
US 6,816,722 · App. 09/876,421
Detecting and preventing fraudulent use in a telecommunications network
Inventors:
Vesa Blom, Kari Einamo, Jaana Hurme, Petteri Mandelin, Esko Paldan, Leena Rossi, Soili Haapala, Tomi Lindgren, Markus Martin, Raili Numminen
Patented Case
View Patent ↗
Granted: Nov 9, 2004
Filed: Jun 4, 2001
Inventors
Vesa Blom
Kari Einamo
Jaana Hurme
Petteri Mandelin
Esko Paldan
Leena Rossi
Soili Haapala
Tomi Lindgren
Markus Martin
Raili Numminen
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.