Granted Patent
Utility
US 5,907,243 · App. 08/913,741
Measuring circuit for sensing ionisation within a cylinder of a combustion engine
Inventors:
Anders Göras, Gunnar Bjorquist
Patented Case
View Patent ↗
Granted: May 25, 1999
Filed: Sep 23, 1997
Inventors
Anders Göras
Gunnar Bjorquist
Assignee (at issue)
Mecel AB
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.