Granted Patent
Utility
US 6,733,295 · App. 10/265,673
Learning system for enabling separate teacher-student interaction over selected interactive channels
Inventors:
John Stuppy, Joe Tojek, Anna Parmer
Patented Case
View Patent ↗
Granted: May 11, 2004
Filed: Oct 8, 2002
Inventors
John Stuppy
Joe Tojek
Anna Parmer
Assignee (at issue)
Sylvan Learning Systems, 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.