Granted Patent
Utility
US 5,533,487 · App. 08/264,657
Dynamic enhancement of EGR flow in an internal combustion engine
Inventor:
Fred L. Cailey
Patented Case
View Patent ↗
Granted: Jul 9, 1996
Filed: Jun 23, 1994
Inventor
Fred L. Cailey
Assignee (at issue)
Navistar International Transportation
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.