Granted Patent
Utility
US 4,581,436 · App. 06/685,506
Heat-curable composition
Inventor:
Larry S. Corley
Patented Case
View Patent ↗
Granted: Apr 8, 1986
Filed: Dec 24, 1984
Inventor
Larry S. Corley
Assignee (at issue)
SHELL OIL 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.