Granted Patent
Utility
US 6,023,692 · App. 09/221,217
Goal based tutoring system with behavior to control flow of presentation
Inventor:
Mark Stewart Nichols
Patented Case
View Patent ↗
Granted: Feb 8, 2000
Filed: Dec 22, 1998
Inventor
Mark Stewart Nichols
Assignee (at issue)
AC Properties B.V.
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.