Granted Patent
Utility
US 6,755,078 · App. 10/355,898
Methods and apparatus for estimating the temperature of an exhaust gas recirculation valve coil
Inventors:
Claudio A. Hernandez, Daniel G. Brennan, Gregory J. York, Donald W. Harnack
Patented Case
View Patent ↗
Granted: Jun 29, 2004
Filed: Jan 31, 2003
Inventors
Claudio A. Hernandez
Daniel G. Brennan
Gregory J. York
Donald W. Harnack
Assignee (at issue)
General Motors LLC
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.