Granted Patent
Utility
US 5,819,255 · App. 08/773,695
System and method for database query optimization
Inventors:
Pedro Celis, Jay Vaishnav, Hansjorg Zeller
Patented Case
View Patent ↗
Granted: Oct 6, 1998
Filed: Dec 27, 1996
Inventors
Pedro Celis
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.