Granted Patent
Utility
US 4,398,017 · App. 06/356,555
Copolyesters
Inventor:
Santos W. Go
Patented Case
View Patent ↗
Granted: Aug 9, 1983
Filed: Mar 9, 1982
Inventor
Santos W. Go
Assignee (at issue)
Owens-Illinois Inc.
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.