Granted Patent
Utility
US 6,078,596 · App. 08/883,548
Method and system of SONET line trace
Inventor:
Glenn A. Wellbrock
Patented Case
View Patent ↗
Granted: Jun 20, 2000
Filed: Jun 26, 1997
Inventor
Glenn A. Wellbrock
Assignee (at issue)
MCI Communications Corporation
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.