Granted Patent
Utility
US 5,463,670 · App. 07/965,458
Testing of communication services and circuits
Inventors:
Marilyn C. Chiang, R. Earl Fenley, Jr., George F. Holland, Anand K. Javvaji, Ramadevi Sreedhara
Patented Case
View Patent ↗
Granted: Oct 31, 1995
Filed: Oct 23, 1992
Inventors
Marilyn C. Chiang
R. Earl Fenley, Jr.
George F. Holland
Anand K. Javvaji
Ramadevi Sreedhara
Assignee (at issue)
AT & T IPM Corp.
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.