Granted Patent
Utility
US 6,424,344 · App. 09/475,050
Apparatus for providing a visual navigation interface
Inventor:
Choong Hwan Lee
Patented Case
View Patent ↗
Granted: Jul 23, 2002
Filed: Dec 30, 1999
Inventor
Choong Hwan Lee
Assignee (at issue)
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
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.