Granted Patent
Utility
US 5,455,832 · App. 08/169,890
Method and system for testing a sonet network element
Inventor:
Thomas A. Bowmaster
Patented Case
View Patent ↗
Granted: Oct 3, 1995
Filed: Dec 17, 1993
Inventor
Thomas A. Bowmaster
Assignee (at issue)
Bell Communications Research, Inc.
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.