Granted Patent
Utility
US 6,144,958 · App. 09/115,662
System and method for correcting spelling errors in search queries
Inventors:
Ruben E. Ortega, Dwayne Bowman, Michael L. Hamrick, Joel R. Spiegel, Timothy R. Kohn
Patented Case
View Patent ↗
Granted: Nov 7, 2000
Filed: Jul 15, 1998
Inventors
Ruben E. Ortega
Dwayne Bowman
Michael L. Hamrick
Joel R. Spiegel
Timothy R. Kohn
Assignee (at issue)
Amazon.com, 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.