Granted Patent
Utility
US 4,932,531 · App. 07/332,659
Multipack for a two tier group of containers
Inventor:
Martinus C. M. Bakx
Patented Case
View Patent ↗
Granted: Jun 12, 1990
Filed: Apr 3, 1989
Inventor
Martinus C. M. Bakx
Assignee (at issue)
The Mead 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.