Granted Patent
Utility
US 5,969,670 · App. 09/010,812
Inexpensive monitoring technique for achieving high level integrity monitoring for differential GPS
Inventors:
Rudolph M. Kalafus, Ralph F. Eschenbach
Patented Case
View Patent ↗
Granted: Oct 19, 1999
Filed: Jan 22, 1998
Inventors
Rudolph M. Kalafus
Ralph F. Eschenbach
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.