Granted Patent
Utility
US 6,594,996 · App. 09/960,386
Method and system for engine braking in an internal combustion engine with exhaust pressure regulation and turbocharger control
Inventor:
Zhou Yang
Patented Case
View Patent ↗
Granted: Jul 22, 2003
Filed: Sep 24, 2001
Inventor
Zhou Yang
Assignee (at issue)
Diesel Engine Retarders, Inc.
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.