Granted Patent
Utility
US 6,145,491 · App. 09/211,458
Method for detecting combustion knock from the ionic current in an internal combustion engine
Inventors:
Hartung Wilstermann, Peter Hohner, Peter Bertelshofer
Patented Case
View Patent ↗
Granted: Nov 14, 2000
Filed: Dec 14, 1998
Inventors
Hartung Wilstermann
Peter Hohner
Peter Bertelshofer
Assignees (at issue)
Temic Telefunken Microelectronik
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.