Granted Patent
Utility
US 5,909,650 · App. 08/630,459
Telecommunications system and method enabling use of a general personal number in fixed and mobile networks and cordless access systems
Inventor:
Ulf Jonsson
Patented Case
View Patent ↗
Granted: Jun 1, 1999
Filed: Apr 10, 1996
Inventor
Ulf Jonsson
Assignee (at issue)
Telia Company AB
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.