Granted Patent
Utility
US 4,078,879 · App. 05/693,221
Fuel ignition system control arrangement providing total fuel shutoff and contact protection
Inventor:
Gerald Edward Dietz
Patented Case
View Patent ↗
Granted: Mar 14, 1978
Filed: Jun 4, 1976
Inventor
Gerald Edward Dietz
Assignee (at issue)
Johnson Controls, Inc.
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.