Granted Patent
Utility
US 6,247,446 · App. 09/510,772
Electronic engine control for regulating engine coolant temperature at cold ambient air temperatures by control of engine idle speed
Inventors:
Jeffrey E. Fassler, Titus J. Iwaszkiewicz, Rogelio Rodriguez, Raymond J. Slowinski
Patented Case
View Patent ↗
Granted: Jun 19, 2001
Filed: Feb 23, 2000
Inventors
Jeffrey E. Fassler
Titus J. Iwaszkiewicz
Rogelio Rodriguez
Raymond J. Slowinski
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.