Granted Patent
Utility
US 6,532,282 · App. 09/601,859
Method and system for accumulating call prepayment
Inventors:
Christopher Plush, Mark Wren
Patented Case
View Patent ↗
Granted: Mar 11, 2003
Filed: Nov 16, 2000
Inventors
Christopher Plush
Mark Wren
Assignee (at issue)
Orange Personal Communication Services 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.