Granted Patent
Utility
US 4,398,022 · App. 06/182,906
Extrusion blow moldable copolyesters
Inventor:
Bobby J. Sublett
Patented Case
View Patent ↗
Granted: Aug 9, 1983
Filed: Sep 2, 1980
Inventor
Bobby J. Sublett
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.