Granted Patent
Utility
US 4,535,380 · App. 06/613,183
Ignition system
Inventor:
Frederick J. Geary
Patented Case
View Patent ↗
Granted: Aug 13, 1985
Filed: May 23, 1984
Inventor
Frederick J. Geary
Assignee (at issue)
ROBERTSHAW CONTROLS PRIVATE 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.