Granted Patent
Utility
US 5,531,056 · App. 08/239,001
Method and apparatus for stabilizing cartons in a packaging machine
Inventor:
Kun Liang
Patented Case
View Patent ↗
Granted: Jul 2, 1996
Filed: May 6, 1994
Inventor
Kun Liang
Assignee (at issue)
Riverwood International Corporation
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.