Granted Patent
Utility
US 6,701,086 · App. 09/343,017
Method for monitoring the signal quality in optical networks
Inventor:
Juergen Heiles
Patented Case
View Patent ↗
Granted: Mar 2, 2004
Filed: Jun 29, 1999
Inventor
Juergen Heiles
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.