Granted Patent
Utility
US 6,115,704 · App. 08/239,942
Extended SQL change definition language for a computer database system
Inventors:
Jack E. Olson, Linda C. Elliott
Patented Case
View Patent ↗
Granted: Sep 5, 2000
Filed: May 9, 1994
Inventors
Jack E. Olson
Linda C. Elliott
Assignee (at issue)
BMC Software, Inc.
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.