Granted Patent
Utility
US 4,496,409 · App. 06/510,482
Methods and machines for placing and heating oriented plastic heat-shrinkable sleeves on containers
Inventor:
Robert F. Kontz
Patented Case
View Patent ↗
Granted: Jan 29, 1985
Filed: Jul 5, 1983
Inventor
Robert F. Kontz
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.