Granted Patent
Utility
US 6,493,680 · App. 09/026,095
Method and apparatus for processing billing transactions
Inventors:
James R. Logan, David J. Gollob, Mark Cohen, Craig Williams
Patented Case
View Patent ↗
Granted: Dec 10, 2002
Filed: Feb 19, 1998
Inventors
James R. Logan
David J. Gollob
Mark Cohen
Craig Williams
Assignee (at issue)
CSG Systems, Inc.
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.