Granted Patent
Utility
US 4,237,676 · App. 06/018,962
Method and apparatus for packaging containers
Inventors:
James W. Buckingham, Stephen W. Amberg
Patented Case
View Patent ↗
Granted: Dec 9, 1980
Filed: Mar 9, 1979
Inventors
James W. Buckingham
Stephen W. Amberg
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.