Granted Patent
Utility
US 6,289,215 · App. 09/688,920
Method for operating a telecommunication network using maintenance messages having filter conditions
Inventors:
Karl Bernhardi, Bernhard Schild
Patented Case
View Patent ↗
Granted: Sep 11, 2001
Filed: Oct 16, 2000
Inventors
Karl Bernhardi
Bernhard Schild
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.