Granted Patent
Utility
US 4,569,184 · App. 06/525,407
Machine for erecting, filling and closing cartons
Inventor:
Leo Strombeck
Patented Case
View Patent ↗
Granted: Feb 11, 1986
Filed: Aug 22, 1983
Inventor
Leo Strombeck
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.