Granted Patent
Utility
US 5,677,941 · App. 08/397,609
Channel test unit
Inventor:
David Reagan Rice
Patented Case
View Patent ↗
Granted: Oct 14, 1997
Filed: Mar 2, 1995
Inventor
David Reagan Rice
Assignee (at issue)
LUCENT 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.