Granted Patent
Utility
US 6,771,964 · App. 09/406,209
Handover between wireless telecommunication networks/systems
Inventors:
Heikki Einola, Lauri Lahtinen, Bo Axerud, Kati Vainola, Susanna Kallio
Patented Case
View Patent ↗
Granted: Aug 3, 2004
Filed: Sep 24, 1999
Inventors
Heikki Einola
Lauri Lahtinen
Bo Axerud
Kati Vainola
Susanna Kallio
Assignee (at issue)
Nokia Networks
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.