Granted Patent
Utility
US 4,397,965 · App. 06/334,787
Expandable and curable polyester resin composition and method for making same
Inventor:
Paul E. Stott
Patented Case
View Patent ↗
Granted: Aug 9, 1983
Filed: Dec 28, 1981
Inventor
Paul E. Stott
Assignee (at issue)
Uniroyal Ltd.
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.