Granted Patent
Utility
US 6,438,541 · App. 09/246,722
Method and article for processing queries that define outer joined views
Inventor:
Andrew Witkowski
Patented Case
View Patent ↗
Granted: Aug 20, 2002
Filed: Feb 9, 1999
Inventor
Andrew Witkowski
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.