Granted Patent
Utility
US 6,587,680 · App. 09/447,761
Transfer of security association during a mobile terminal handover
Inventors:
Juha Ala-Laurila, Harri Hansen, Juha Salvela
Patented Case
View Patent ↗
Granted: Jul 1, 2003
Filed: Nov 23, 1999
Inventors
Juha Ala-Laurila
Harri Hansen
Juha Salvela
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.