Granted Patent
Utility
US 4,333,433 · App. 06/130,898
Electronic ignition system with mechanical advance
Inventor:
Richard W. Mattson
Patented Case
View Patent ↗
Granted: Jun 8, 1982
Filed: Mar 17, 1980
Inventor
Richard W. Mattson
Assignee (at issue)
Eltra Corporation
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.