Granted Patent
Utility
US 4,172,873 · App. 05/921,532
Method for applying a heat shrinkable sleeve to a plastic bottle
Inventor:
John F. Spicer
Patented Case
View Patent ↗
Granted: Oct 30, 1979
Filed: Jul 3, 1978
Inventor
John F. Spicer
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.