Granted Patent
Utility
US 6,834,196 · App. 09/744,674
Method for improving the performance of USSD transfer in a cellular communications system
Inventors:
Teemu Tarnanen, Sami Yliharjii
Patented Case
View Patent ↗
Granted: Dec 21, 2004
Filed: Jan 29, 2001
Inventors
Teemu Tarnanen
Sami Yliharjii
Assignee (at issue)
Nokia Networks 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.