Granted Patent
Utility
US 6,011,971 · App. 08/617,837
Handover method and cellular communications system
Inventor:
Petri Jolma
Patented Case
View Patent ↗
Granted: Jan 4, 2000
Filed: May 16, 1996
Inventor
Petri Jolma
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.