Granted Patent
Utility
US 6,192,221 · App. 08/975,946
Telephone with angled boom mike
Inventor:
Yutaka Hasegawa
Patented Case
View Patent ↗
Granted: Feb 20, 2001
Filed: Nov 21, 1997
Inventor
Yutaka Hasegawa
Assignees (at issue)
SONY CORPORATION OF JAPAN
SONY ELECTRONICS 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.