Granted Patent
Utility
US 5,483,936 · App. 08/270,982
Spark knock detection system for an internal combustion engine
Inventors:
Scott Martin Kerstein, Stephen C. Simmons, Brett Allen Dunn, Duane M. Grider
Patented Case
View Patent ↗
Granted: Jan 16, 1996
Filed: Jul 5, 1994
Inventors
Scott Martin Kerstein
Stephen C. Simmons
Brett Allen Dunn
Duane M. Grider
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.