Granted Patent
Utility
US 5,414,755 · App. 08/105,849
System and method for passive voice verification in a telephone network
Inventors:
Lawrence G. Bahler, Alan L. Higgins
Patented Case
View Patent ↗
Granted: May 9, 1995
Filed: Aug 10, 1994
Inventors
Lawrence G. Bahler
Alan L. Higgins
Assignee (at issue)
ITT 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.