Granted Patent
Utility
US 6,321,221 · App. 09/118,025
System, method and article of manufacture for increasing the user value of recommendations
Inventor:
Paul Bieganski
Patented Case
View Patent ↗
Granted: Nov 20, 2001
Filed: Jul 17, 1998
Inventor
Paul Bieganski
Assignee (at issue)
Net Perceptions, 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.