Granted Patent
Utility
US 4,433,784 · App. 06/446,941
Arrangement on packing containers
Inventor:
Tom Kjelgaard
Patented Case
View Patent ↗
Granted: Feb 28, 1984
Filed: Dec 6, 1982
Inventor
Tom Kjelgaard
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.