Granted Patent
Utility
US 5,568,162 · App. 08/287,188
GPS navigation and differential-correction beacon antenna combination
Inventors:
Robert A. Samsel, Brian Westfall, Stephen K. Will
Patented Case
View Patent ↗
Granted: Oct 22, 1996
Filed: Aug 8, 1994
Inventors
Robert A. Samsel
Brian Westfall
Stephen K. Will
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.