Granted Patent
Utility
US 4,807,804 · App. 07/151,415
Carton with lifting flange
Inventors:
Jon M. Schwaner, Eric E. Falk
Patented Case
View Patent ↗
Granted: Feb 28, 1989
Filed: Feb 2, 1988
Inventors
Jon M. Schwaner
Eric E. Falk
Assignee (at issue)
Inland Container 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.