Granted Patent
Utility
US 6,137,906 · App. 08/884,226
Closest word algorithm
Inventor:
Mark S. Dionne
Patented Case
View Patent ↗
Granted: Oct 24, 2000
Filed: Jun 27, 1997
Inventor
Mark S. Dionne
Assignee (at issue)
Kurzweil Educational 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.