IP Library Granted Patent US 6,330,552
Granted Patent Utility
US 6,330,552 · App. 09/162,638

Database query cost model optimizer

Inventors: Christopher M. Farrar, Harry A. Leslie, Pedro Celis, Diana L. Shak, Jay Vaishnav, Michael J. Skarpelos
Patented Case View Patent ↗
Granted: Dec 11, 2001 Filed: Sep 28, 1998
Inventors
Christopher M. Farrar
Harry A. Leslie
Pedro Celis
Diana L. Shak
Jay Vaishnav
Michael J. Skarpelos
Assignee (at issue)
Compaq

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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 6,330,552
App. No.
09/162,638
Filed
1998-09-28
Granted
2001-12-11
Kind
A