Granted Patent
Utility
US 4,775,736 · App. 07/089,524
Epoxy curing agent composition
Inventor:
Paul L. Wiggins
Patented Case
View Patent ↗
Granted: Oct 4, 1988
Filed: Aug 26, 1987
Inventor
Paul L. Wiggins
Assignee (at issue)
Ethyl Corporation
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.