Granted Patent
Utility
US 5,745,031 · App. 08/507,481
Safety driving system
Inventor:
Keiichi Yamamoto
Patented Case
View Patent ↗
Granted: Apr 28, 1998
Filed: Aug 28, 1995
Inventor
Keiichi Yamamoto
Assignee (at issue)
MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA
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.