Granted Patent
Utility
US 6,577,710 · App. 09/644,760
Method for checking a switching center, line unit and switching center for implementing the method, as well as an appertaining computer program
Inventors:
Michael Eder, Klaus Leutner, Siegmar Riedel, Burkhard Zittinger
Patented Case
View Patent ↗
Granted: Jun 10, 2003
Filed: Aug 23, 2000
Inventors
Michael Eder
Klaus Leutner
Siegmar Riedel
Burkhard Zittinger
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.