Granted Patent
Utility
US 6,594,372 · App. 10/193,280
Electroacoustic transducer
Inventor:
Jiro Nakaso
Patented Case
View Patent ↗
Granted: Jul 15, 2003
Filed: Jul 12, 2002
Inventor
Jiro Nakaso
Assignee (at issue)
Victor Company of Japan, Ltd.
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.