Granted Patent
Utility
US 6,330,308 · App. 09/057,369
Voice mail system for obtaining forwarding number information from directory assistance systems having speech recognition
Inventors:
Frank C. Cheston, III, Patricia V. Hatton
Patented Case
View Patent ↗
Granted: Dec 11, 2001
Filed: Apr 9, 1998
Inventors
Frank C. Cheston, III
Patricia V. Hatton
Assignee (at issue)
Bell Atlantic Network Services
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.