Granted Patent
Utility
US 4,098,769 · App. 05/812,922
Linear copolyesters
Inventor:
Santos W. Go
Patented Case
View Patent ↗
Granted: Jul 4, 1978
Filed: Jul 5, 1977
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.