Granted Patent
Utility
US 4,844,328 · App. 07/188,515
Wrap-around carton with flange-receiving slots
Inventor:
Leonard M. Cooper
Patented Case
View Patent ↗
Granted: Jul 4, 1989
Filed: Apr 29, 1988
Inventor
Leonard M. Cooper
Assignee (at issue)
Manville 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.