Granted Patent
Utility
US 4,867,754 · App. 07/198,016
Process and composition for stabilized distillate fuel oils
Inventor:
Dwight R. Reid
Patented Case
View Patent ↗
Granted: Sep 19, 1989
Filed: May 24, 1988
Inventor
Dwight R. Reid
Assignee (at issue)
Betz Laboratories, 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.