Granted Patent
Utility
US 4,384,106 · App. 06/356,556
Copolyesters
Inventors:
Santos W. Go, Dennis J. Burzynski
Patented Case
View Patent ↗
Granted: May 17, 1983
Filed: Mar 9, 1982
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.