IP Library Granted Patent US 6,220,528
Granted Patent Utility
US 6,220,528 · App. 09/324,621

Fuel injector including an outer valve needle, and inner valve needle slidable within a bore formed in the outer valve needle

Inventors: Michael Peter Cooke, Godfrey Greeves
Patented Case View Patent ↗
Granted: Apr 24, 2001 Filed: Jun 2, 1999
Inventors
Michael Peter Cooke
Godfrey Greeves
Assignee (at issue)
Lucas Industries Limited

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 6,220,528
App. No.
09/324,621
Filed
1999-06-02
Granted
2001-04-24
Kind
A