Granted Patent
Utility
US 4,944,405 · App. 07/415,161
Multi-celled enclosed carton
Inventors:
John C. Buford, Leslie H. Porter
Patented Case
View Patent ↗
Granted: Jul 31, 1990
Filed: Sep 29, 1989
Inventors
John C. Buford
Leslie H. Porter
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.