Granted Patent
Utility
US 4,357,788 · App. 06/214,293
Method and apparatus for assembling tubular sleeve preforms and containers
Inventor:
Stephen W. Amberg
Patented Case
View Patent ↗
Granted: Nov 9, 1982
Filed: Dec 8, 1980
Inventor
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.