Granted Patent
Utility
US 6,405,038 · App. 08/442,883
Cellular carrier selection system incorporating a preferred list of system identification codes (SIDs) corresponding to preferred cellular carriers
Inventors:
Clifton J. Barber, Stephen Thomas Hardin
Patented Case
View Patent ↗
Granted: Jun 11, 2002
Filed: May 17, 1995
Inventors
Clifton J. Barber
Stephen Thomas Hardin
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.