Granted Patent
Utility
US 5,666,789 · App. 08/518,582
Stacked article cartoning apparatus
Inventor:
Kelly Ziegler
Patented Case
View Patent ↗
Granted: Sep 16, 1997
Filed: Aug 23, 1995
Inventor
Kelly Ziegler
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.