Granted Patent
Utility
US 5,321,978 · App. 08/043,121
Method and apparatus for detecting cylinder misfire in an internal combustion engine
Inventors:
Arnold W. Brandt, Daniel V. Orzel, Jeffrey Koncsol
Patented Case
View Patent ↗
Granted: Jun 21, 1994
Filed: Apr 5, 1993
Inventors
Arnold W. Brandt
Daniel V. Orzel
Jeffrey Koncsol
Assignee (at issue)
Ford Motor Company
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.