Granted Patent
Utility
US 5,589,835 · App. 08/359,604
Differential GPS receiver system linked by infrared signals
Inventors:
David R. Gildea, Lloyd H. Banta
Patented Case
View Patent ↗
Granted: Dec 31, 1996
Filed: Dec 20, 1994
Inventors
David R. Gildea
Lloyd H. Banta
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.