Granted Patent
Utility
US 4,231,282 · App. 06/025,176
Ignition system
Patented Case
View Patent ↗
Granted: Nov 4, 1980
Filed: Mar 29, 1979
Assignee (at issue)
General Electric 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.