Granted Patent
Utility
US 5,963,625 · App. 08/723,708
Method for providing called service provider control of caller access to pay services
Inventors:
Michael Anthony Kawecki, Thomas Lees, Michael Scott, Lawrence S. West, Jr.
Patented Case
View Patent ↗
Granted: Oct 5, 1999
Filed: Sep 30, 1996
Inventors
Michael Anthony Kawecki
Thomas Lees
Michael Scott
Lawrence S. West, Jr.
Assignee (at issue)
AT&T CORP.
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.