Granted Patent
Utility
US 4,401,250 · App. 06/345,373
Method and an arrangement for the forward feeding of a material web in register with a crease line pattern
Inventor:
Lars Carlsson
Patented Case
View Patent ↗
Granted: Aug 30, 1983
Filed: Feb 3, 1982
Inventor
Lars Carlsson
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.