Granted Patent
Utility
US 5,884,255 · App. 08/678,363
Speech detection system employing multiple determinants
Inventor:
Geoffrey Cox
Patented Case
View Patent ↗
Granted: Mar 16, 1999
Filed: Jul 16, 1996
Inventor
Geoffrey Cox
Assignee (at issue)
Coherent Communications Systems Corp.
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.