Granted Patent
Utility
US 5,236,408 · App. 07/917,574
Method and apparatus for forming carton blanks with hemmed edges
Inventors:
Hugh A. McAdam, III, M. Paul Burnside, Jeffrey Lindberg
Patented Case
View Patent ↗
Granted: Aug 17, 1993
Filed: Jul 21, 1992
Inventors
Hugh A. McAdam, III
M. Paul Burnside
Jeffrey Lindberg
Assignee (at issue)
INTERNATIONAL PAPER BOX MACHINE 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.