Granted Patent
Utility
US 6,484,089 · App. 09/418,749
Navigation system with road condition sampling
Inventor:
Jeffrey Alan Millington
Patented Case
View Patent ↗
Granted: Nov 19, 2002
Filed: Oct 15, 1999
Inventor
Jeffrey Alan Millington
Assignee (at issue)
Magellan Dis, 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.