Granted Patent
Utility
US 4,307,828 · App. 06/160,797
Dispensing carton
Inventors:
Dennis M. Sias, Richard George Paxton
Patented Case
View Patent ↗
Granted: Dec 29, 1981
Filed: Jun 19, 1980
Inventors
Dennis M. Sias
Richard George Paxton
Assignee (at issue)
THE DOW CHEMICAL COMPANY
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.