Granted Patent
Utility
US 6,108,309 · App. 08/987,068
SONET network element simulator
Inventors:
Andrew B. Cohoe, Steven J. Martino
Patented Case
View Patent ↗
Granted: Aug 22, 2000
Filed: Dec 8, 1997
Inventors
Andrew B. Cohoe
Steven J. Martino
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.