Granted Patent
Utility
US 4,744,881 · App. 06/916,263
Antioxidant material and its use
Inventor:
Dwight K. Reid
Patented Case
View Patent ↗
Granted: May 17, 1988
Filed: Oct 7, 1986
Inventor
Dwight K. 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.