Granted Patent
Utility
US 4,401,255 · App. 06/289,728
Distributor pack carton
Inventors:
Betty A. Conroy, William M. Brown, Patrick S. Maio
Patented Case
View Patent ↗
Granted: Aug 30, 1983
Filed: Aug 3, 1981
Inventors
Betty A. Conroy
William M. Brown
Patrick S. Maio
Assignee (at issue)
Federal Paper Board Co., Inc.
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.