Granted Patent
Utility
US 4,714,726 · App. 06/870,461
Low temperature single step curing polyimide adhesive
Inventor:
Celia H. Ketley
Patented Case
View Patent ↗
Granted: Dec 22, 1987
Filed: Jun 4, 1986
Inventor
Celia H. Ketley
Assignee (at issue)
W. R. Grace & Co.
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.