Granted Patent
Utility
US 6,571,157 · App. 10/063,848
Oil pressure diagnostic strategy for a hybrid electric vehicle
Inventors:
Greg Dahlin, Joseph Francis Valascho
Patented Case
View Patent ↗
Granted: May 27, 2003
Filed: May 17, 2002
Inventors
Greg Dahlin
Joseph Francis Valascho
Assignees (at issue)
FORD GLOBAL TECHNOLOGIES, LLC
Visteon Global Technologies, 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.