Granted Patent
Utility
US 5,703,957 · App. 08/497,269
Directional microphone assembly
Inventor:
Jeffrey Phillip McAteer
Patented Case
View Patent ↗
Granted: Dec 30, 1997
Filed: Jun 30, 1995
Inventor
Jeffrey Phillip McAteer
Assignee (at issue)
LUCENT TECHNOLOGIES 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.