Granted Patent
Utility
US 5,822,419 · App. 08/594,524
Telecommunications service interactions
Inventors:
Colin Arthur George Enstone, Charles Lane, John Anthony Moulton
Patented Case
View Patent ↗
Granted: Oct 13, 1998
Filed: Jan 31, 1996
Inventors
Colin Arthur George Enstone
Charles Lane
John Anthony Moulton
Assignee (at issue)
GPT 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.