Granted Patent
Utility
US 4,332,594 · App. 06/253,493
Fuels for internal combustion engines
Inventor:
David M. Zimmerman
Patented Case
View Patent ↗
Granted: Jun 1, 1982
Filed: Apr 13, 1981
Inventor
David M. Zimmerman
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.