Granted Patent
Utility
US 4,345,415 · App. 06/151,728
Method for the manufacture of packages for drinking straws
Inventor:
Erik Jarund
Patented Case
View Patent ↗
Granted: Aug 24, 1982
Filed: May 20, 1980
Inventor
Erik Jarund
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.