Granted Patent
Utility
US 5,945,943 · App. 08/932,323
System for using differential GPS receivers with autopilot systems for category III precision approaches
Inventors:
Rudolph M. Kalafus, Paul Braisted
Patented Case
View Patent ↗
Granted: Aug 31, 1999
Filed: Sep 17, 1997
Inventors
Rudolph M. Kalafus
Paul Braisted
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.