Granted Patent
Utility
US 6,640,218 · App. 09/587,144
Estimating the usefulness of an item in a collection of information
Inventors:
Andrew R. Golding, Douglas H. Beeferman
Patented Case
View Patent ↗
Granted: Oct 28, 2003
Filed: Jun 2, 2000
Inventors
Andrew R. Golding
Douglas H. Beeferman
Assignee (at issue)
Lycos, 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.