Granted Patent
Utility
US 5,499,290 · App. 08/010,287
AIN non-call associated signalling for service nodes and service control points in a telephone system
Inventor:
Karl H. Koster
Patented Case
View Patent ↗
Granted: Mar 12, 1996
Filed: Jan 28, 1993
Inventor
Karl H. Koster
Assignee (at issue)
BellSouth Corporation
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.