Granted Patent
Utility
US 6,003,021 · App. 09/219,481
System, method and article of manufacture for a simulation system for goal based education
Inventors:
Beth Elyse Zadik, Alexander Han Leung Poon
Patented Case
View Patent ↗
Granted: Dec 14, 1999
Filed: Dec 22, 1998
Inventors
Beth Elyse Zadik
Alexander Han Leung Poon
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.