Granted Patent
Utility
US 4,423,183 · App. 06/324,845
Fluoroelastomer film compositions and solutions containing fatty polyamide curatives
Inventor:
Donald Close
Patented Case
View Patent ↗
Granted: Dec 27, 1983
Filed: Nov 25, 1981
Inventor
Donald Close
Assignee (at issue)
David Hudson, Inc.
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.