Granted Patent
Utility
US 5,923,652 · App. 08/767,727
Method for tying additional function modules into a controlling facility of a switching system, and a switching system
Inventors:
Detlef Daase, Karl-Heinz Legat, Irina Muller
Patented Case
View Patent ↗
Granted: Jul 13, 1999
Filed: Dec 16, 1996
Inventors
Detlef Daase
Karl-Heinz Legat
Irina Muller
Assignee (at issue)
Alcatel Alsthom Compagnie Generale d'Electricite
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.