Granted Patent
Utility
US 6,302,698 · App. 09/250,687
Method and apparatus for on-line teaching and learning
Inventor:
Jakob Ziv-El
Patented Case
View Patent ↗
Granted: Oct 16, 2001
Filed: Feb 16, 1999
Inventor
Jakob Ziv-El
Assignee (at issue)
Discourse 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.