Granted Patent
Utility
US 6,571,231 · App. 10/171,728
Maintenance of hierarchical index in relational system
Inventor:
Eric Sedlar
Patented Case
View Patent ↗
Granted: May 27, 2003
Filed: May 28, 2002
Inventor
Eric Sedlar
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.