Granted Patent
Utility
US 6,669,614 · App. 09/977,436
Method and apparatus for closing open end of carton blank
Inventors:
George Morden, Cletus Kreher
Patented Case
View Patent ↗
Granted: Dec 30, 2003
Filed: Oct 15, 2001
Inventors
George Morden
Cletus Kreher
Assignee (at issue)
INTERNATIONAL PAPER COMPANY
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.