Granted Patent
Utility
US 5,940,118 · App. 08/996,135
System and method for steering directional microphones
Inventor:
Andre John Van Schyndel
Patented Case
View Patent ↗
Granted: Aug 17, 1999
Filed: Dec 22, 1997
Inventor
Andre John Van Schyndel
Assignee (at issue)
Nortel Networks Limited
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.