Granted Patent
Utility
US 4,606,174 · App. 06/702,735
Method and an arrangement for the manufacture of packing containers
Inventor:
Rune Berg
Patented Case
View Patent ↗
Granted: Aug 19, 1986
Filed: Feb 19, 1985
Inventor
Rune Berg
Assignee (at issue)
Tetra Pak International AB
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.