Granted Patent
Utility
US 4,357,461 · App. 06/329,979
Polyester stabilization and composition
Inventors:
Santos W. Go, Dennis J. Burzynski
Patented Case
View Patent ↗
Granted: Nov 2, 1982
Filed: Dec 11, 1981
Inventors
Santos W. Go
Dennis J. Burzynski
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.