IP Library › Granted Patent US 5,875,756
Granted Patent Utility
US 5,875,756 · App. 08/919,614

Ignition timing control system for in-cylinder injection internal combustion engine

Inventors: Hitoshi Kamura, Kenjiro Hatayama, Atsuyoshi Kojima, Hiroki Tamura
Patented Case View Patent ↗
Granted: Mar 2, 1999 Filed: Aug 28, 1997
Inventors
Hitoshi Kamura
Kenjiro Hatayama
Atsuyoshi Kojima
Hiroki Tamura
Assignee (at issue)
MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA

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 5,875,756
App. No.
08/919,614
Filed
1997-08-28
Granted
1999-03-02
Kind
A