Granted Patent
Utility
US 4,444,613 · App. 06/378,564
Apparatus for producing tubular plastic sleeves for application to containers
Inventor:
Robert J. Burmeister
Patented Case
View Patent ↗
Granted: Apr 24, 1984
Filed: May 17, 1982
Inventor
Robert J. Burmeister
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.