Granted Patent
Utility
US 6,421,669 · App. 09/614,943
Method and apparatus for constructing and maintaining a user knowledge profile
Inventors:
David L. Gilmour, Eric Wang
Patented Case
View Patent ↗
Granted: Jul 16, 2002
Filed: Jul 12, 2000
Inventors
David L. Gilmour
Eric Wang
Assignee (at issue)
Tacit Knowledge 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.