Granted Patent
Utility
US 4,792,583 · App. 07/067,194
Rubber blends
Inventor:
Aubert Y. Coran
Patented Case
View Patent ↗
Granted: Dec 20, 1988
Filed: Jun 29, 1987
Inventor
Aubert Y. Coran
Assignee (at issue)
Monsanto 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.