Granted Patent
Utility
US 4,263,233 · App. 06/083,087
Fuel preparation for internal combustion engines
Inventor:
Gordon W. Fenn
Patented Case
View Patent ↗
Granted: Apr 21, 1981
Filed: Oct 9, 1979
Inventor
Gordon W. Fenn
Assignee (at issue)
Chrysler Group LLC
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.