Granted Patent
Utility
US 6,181,775 · App. 09/307,871
Dual test mode network interface unit for remote testing of transmission line and customer equipment
Inventor:
Gregory L. Bella
Patented Case
View Patent ↗
Granted: Jan 30, 2001
Filed: May 10, 1999
Inventor
Gregory L. Bella
Assignee (at issue)
Westell Technologies, 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.