Granted Patent
Utility
US 5,777,580 · App. 08/396,977
Vehicle location system
Inventors:
James M. Janky, David G. Bird
Patented Case
View Patent ↗
Granted: Jul 7, 1998
Filed: Mar 1, 1995
Inventors
James M. Janky
David G. Bird
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.