Granted Patent
Utility
US 5,345,498 · App. 08/029,992
Mobile communications systems and interconnections strategies for use between different networks and different tariffs of such systems
Inventor:
Roy Harold Mauger
Patented Case
View Patent ↗
Granted: Sep 6, 1994
Filed: Mar 12, 1993
Inventor
Roy Harold Mauger
Assignee (at issue)
Nortel Networks Limited
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.