Granted Patent
Utility
US 6,757,361 · App. 10/073,966
Signal monitoring apparatus analyzing voice communication content
Inventors:
Christopher Douglas Blair, Roger Louis Keenan
Patented Case
View Patent ↗
Granted: Jun 29, 2004
Filed: Feb 14, 2002
Inventors
Christopher Douglas Blair
Roger Louis Keenan
Assignee (at issue)
Eyretel Limited
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.