Granted Patent
Utility
US 4,671,047 · App. 06/780,538
Form-fill-seal machine
Inventor:
Giorgio Mugnai
Patented Case
View Patent ↗
Granted: Jun 9, 1987
Filed: Sep 26, 1985
Inventor
Giorgio Mugnai
Assignee (at issue)
W. R. Grace & Co., Cryovac Div.
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.