Granted Patent
Utility
US 5,664,172 · App. 08/277,550
Range-based query optimizer
Inventor:
Gennady Antoshenkov
Patented Case
View Patent ↗
Granted: Sep 2, 1997
Filed: Jul 19, 1994
Inventor
Gennady Antoshenkov
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.