Granted Patent
Utility
US 5,970,489 · App. 08/879,500
Method for using region-sets to focus searches in hierarchical structures
Inventors:
Guy Jacobson, Balachander Krishnamurthy, Divesh Srivastava, Dan Suciu
Patented Case
View Patent ↗
Granted: Oct 19, 1999
Filed: May 20, 1997
Inventors
Guy Jacobson
Balachander Krishnamurthy
Divesh Srivastava
Dan Suciu
Assignee (at issue)
AT&T CORP.
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.