Granted Patent
Utility
US 4,384,438 · App. 06/166,388
Arrangement on packing machines
Inventor:
Anders Hilmersson
Patented Case
View Patent ↗
Granted: May 24, 1983
Filed: Jul 7, 1980
Inventor
Anders Hilmersson
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.