Granted Patent
Utility
US 6,285,317 · App. 09/071,480
Navigation system with three-dimensional display
Inventor:
Ping-Wen Ong
Patented Case
View Patent ↗
Granted: Sep 4, 2001
Filed: May 1, 1998
Inventor
Ping-Wen Ong
Assignee (at issue)
LUCENT TECHNOLOGIES INC.
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.