Granted Patent
Utility
US 5,042,231 · App. 07/471,744
End flap alignment device for carton folding and filling apparatus and method of folding carton end flaps
Inventors:
Kenneth Konrad, Todd Ruhbusch
Patented Case
View Patent ↗
Granted: Aug 27, 1991
Filed: Jan 29, 1990
Inventors
Kenneth Konrad
Todd Ruhbusch
Assignee (at issue)
James River 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.