Granted Patent
Utility
US 5,473,701 · App. 08/148,750
Adaptive microphone array
Inventors:
Juergen Cezanne, Gary W. Elko
Patented Case
View Patent ↗
Granted: Dec 5, 1995
Filed: Nov 5, 1993
Inventors
Juergen Cezanne
Gary W. Elko
Assignee (at issue)
AT&T 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.