Granted Patent
Utility
US 4,093,593 · App. 05/833,192
Polyester stabilization, and composition
Inventor:
Santos W. Go
Patented Case
View Patent ↗
Granted: Jun 6, 1978
Filed: Sep 14, 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.