Granted Patent
Utility
US 4,258,684 · App. 05/906,309
Digital ignition timing controller
Inventor:
John J. Schira
Patented Case
View Patent ↗
Granted: Mar 31, 1981
Filed: May 16, 1978
Inventor
John J. Schira
Assignee (at issue)
Bendix Limited
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.