Granted Patent
Utility
US 6,676,413 · App. 10/124,587
Method and system for preventing illiteracy in substantially all members of a predetermined set
Inventors:
Emery Best, Jeri Nowakowski, Matthew Hunter, Stephan Black
Patented Case
View Patent ↗
Granted: Jan 13, 2004
Filed: Apr 17, 2002
Inventors
Emery Best
Jeri Nowakowski
Matthew Hunter
Stephan Black
Assignee (at issue)
Voyager Expanded Learning, 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.