Granted Patent
Utility
US 5,903,837 · App. 08/934,639
Wireless telephone/satellite roaming method
Inventor:
Robert A. Wiedeman
Patented Case
View Patent ↗
Granted: May 11, 1999
Filed: Sep 22, 1997
Inventor
Robert A. Wiedeman
Assignee (at issue)
Space Systems/Loral, LLC
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.