Granted Patent
Utility
US 6,167,754 · App. 09/132,012
Method of checking lambda sensor connections in multicylinder internal combustion engines
Inventor:
Johannes Koenders
Patented Case
View Patent ↗
Granted: Jan 2, 2001
Filed: Aug 10, 1998
Inventor
Johannes Koenders
Assignee (at issue)
Daimlerchrysler AG
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.