Granted Patent
Utility
US 6,021,405 · App. 08/763,407
System and method for optimizing database queries with improved performance enhancements
Inventors:
Pedro Celis, Diana L. Shak, Jay Vaishnav, Hansjorg Zeller
Patented Case
View Patent ↗
Granted: Feb 1, 2000
Filed: Dec 11, 1996
Inventors
Pedro Celis
Diana L. Shak
Jay Vaishnav
Hansjorg Zeller
Assignee (at issue)
Tandem Computers Incorporated
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.