Granted Patent
Utility
US 4,446,264 · App. 06/368,604
Synergistic antioxidant mixtures
Inventor:
Kirkwood S. Cottman
Patented Case
View Patent ↗
Granted: May 1, 1984
Filed: Apr 15, 1982
Inventor
Kirkwood S. Cottman
Assignee (at issue)
THE GOODYEAR TIRE & RUBBER COMPANY
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.