Granted Patent
Utility
US 4,778,715 · App. 07/065,987
Inter-ply adhesion between saran and linear ethylene copolymers
Inventors:
Daniel J. Ferguson, Steven B. Garland
Patented Case
View Patent ↗
Granted: Oct 18, 1988
Filed: Jun 24, 1987
Inventors
Daniel J. Ferguson
Steven B. Garland
Assignee (at issue)
W. R. Grace & Co., Cryovac Division
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.