Granted Patent
Utility
US 6,278,944 · App. 09/230,472
Navigation system
Inventors:
Langtao Lui, Wamadeva Balachandran
Patented Case
View Patent ↗
Granted: Aug 21, 2001
Filed: Oct 12, 1999
Inventors
Langtao Lui
Wamadeva Balachandran
Assignee (at issue)
Brunel University
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.