Granted Patent
Utility
US 5,352,178 · App. 08/089,042
Collapsed, tubular carton erecting apparatus
Inventor:
Irvan Leo Pazdernik
Patented Case
View Patent ↗
Granted: Oct 4, 1994
Filed: Jul 9, 1993
Inventor
Irvan Leo Pazdernik
Assignee (at issue)
Douglas Machine 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.