Granted Patent
Utility
US 4,720,863 · App. 06/439,010
Method and apparatus for text-independent speaker recognition
Inventors:
Kung-Pu Li, Edwin H. Wrench, Jr.
Patented Case
View Patent ↗
Granted: Jan 19, 1988
Filed: Nov 3, 1982
Inventors
Kung-Pu Li
Edwin H. Wrench, Jr.
Assignee (at issue)
ITT Defense Communications
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.