Granted Patent
Utility
US 6,094,652 · App. 09/095,515
Hierarchical query feedback in an information retrieval system
Inventor:
Mohammad Faisal
Patented Case
View Patent ↗
Granted: Jul 25, 2000
Filed: Jun 10, 1998
Inventor
Mohammad Faisal
Assignee (at issue)
Oracle Corporation
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.