Granted Patent
Utility
US 5,917,434 · App. 08/490,561
Integrated taximeter/GPS position tracking system
Inventor:
Michael D. Murphy
Patented Case
View Patent ↗
Granted: Jun 29, 1999
Filed: Jun 15, 1995
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.