Granted Patent
Utility
US 5,590,171 · App. 08/517,648
Method and apparatus for communications monitoring
Inventors:
Wayne R. Howe, Dale W. Malik
Patented Case
View Patent ↗
Granted: Dec 31, 1996
Filed: Aug 21, 1995
Inventors
Wayne R. Howe
Dale W. Malik
Assignee (at issue)
BellSouth 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.