Granted Patent
Utility
US 4,978,309 · App. 07/327,476
Igniter cable connector
Inventor:
Stephen W. Straub
Patented Case
View Patent ↗
Granted: Dec 18, 1990
Filed: Mar 17, 1989
Inventor
Stephen W. Straub
Assignee (at issue)
Champion Spark Plug 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.