Granted Patent
Utility
US 4,746,058 · App. 06/821,339
Material for packing containers
Inventor:
Jorgen Niske
Patented Case
View Patent ↗
Granted: May 24, 1988
Filed: Jan 22, 1986
Inventor
Jorgen Niske
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.