Granted Patent
Utility
US 5,991,690 · App. 08/886,873
Navigation system incorporating simplified location display
Inventor:
Michael D. Murphy
Patented Case
View Patent ↗
Granted: Nov 23, 1999
Filed: Jul 2, 1997
Inventor
Michael D. Murphy
Assignee (at issue)
Trimble Navigation 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.