Granted Patent
Utility
US 6,091,809 · App. 08/859,655
Method of establishing a connection, as well as exchanges and a service control unit
Inventors:
Uwe Stahl, Wolfgang Lautenschlager
Patented Case
View Patent ↗
Granted: Jul 18, 2000
Filed: May 20, 1997
Inventors
Uwe Stahl
Wolfgang Lautenschlager
Assignee (at issue)
ALCATEL
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.