Granted Patent
Utility
US 6,622,548 · App. 10/166,807
Methods and apparatus for estimating gas temperatures within a vehicle engine
Inventor:
Claudio A. Hernandez
Patented Case
View Patent ↗
Granted: Sep 23, 2003
Filed: Jun 11, 2002
Inventor
Claudio A. Hernandez
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.