Granted Patent
Utility
US 4,740,830 · App. 07/073,543
Low temperature single step curing polyimide adhesive
Inventor:
Celia H. Ketley
Patented Case
View Patent ↗
Granted: Apr 26, 1988
Filed: Aug 19, 1987
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.