Granted Patent
Utility
US 6,778,510 · App. 09/149,830
Digital telecommunication facility
Inventors:
Christian Kranz, Stefan Heinen
Patented Case
View Patent ↗
Granted: Aug 17, 2004
Filed: Sep 8, 1998
Inventors
Christian Kranz
Stefan Heinen
Assignee (at issue)
Siemens Aktiengesellschaft
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.