Granted Patent
Utility
US 4,879,081 · App. 07/219,629
Process of making fused, oriented-grain polymeric materials
Inventor:
Gerald T. Keep
Patented Case
View Patent ↗
Granted: Nov 7, 1989
Filed: Jul 15, 1988
Inventor
Gerald T. Keep
Assignee (at issue)
EASTMAN KODAK COMPANY
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.