Granted Patent
Utility
US 5,987,381 · App. 08/816,107
Automobile navigation system using remote download of data
Inventor:
Hidekazu Oshizawa
Patented Case
View Patent ↗
Granted: Nov 16, 1999
Filed: Mar 11, 1997
Inventor
Hidekazu Oshizawa
Assignee (at issue)
Visteon 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.