Granted Patent
Utility
US 6,263,727 · App. 09/328,747
Make voltage bias ion sense misfired detection system
Inventor:
Raymond O. Butler, Jr.
Patented Case
View Patent ↗
Granted: Jul 24, 2001
Filed: Jun 9, 1999
Inventor
Raymond O. Butler, Jr.
Assignee (at issue)
Delphi Technologies
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.