Granted Patent
Utility
US 6,487,552 · App. 09/167,092
Database fine-grained access control
Inventors:
Chon Hei Lei, Douglas James McMahon
Patented Case
View Patent ↗
Granted: Nov 26, 2002
Filed: Oct 5, 1998
Inventors
Chon Hei Lei
Douglas James McMahon
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.