Granted Patent
Utility
US 6,061,651 · App. 09/041,420
Apparatus that detects voice energy during prompting by a voice recognition system
Inventor:
John N. Nguyen
Patented Case
View Patent ↗
Granted: May 9, 2000
Filed: Mar 12, 1998
Inventor
John N. Nguyen
Assignee (at issue)
Speechworks International, Inc.
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.