Granted Patent
Utility
US 6,717,993 · App. 09/581,556
Receiver
Inventors:
Kenichi Shiraishi, Akihiro Horii
Patented Case
View Patent ↗
Granted: Apr 6, 2004
Filed: Jul 14, 2000
Inventors
Kenichi Shiraishi
Akihiro Horii
Assignee (at issue)
KENWOOD 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.