Granted Patent
Utility
US 6,354,467 · App. 09/781,781
Device for opening and closing a package
Inventor:
Michael S. Mabee
Patented Case
View Patent ↗
Granted: Mar 12, 2002
Filed: Feb 12, 2001
Inventor
Michael S. Mabee
Assignee (at issue)
INTERNATIONAL PAPER 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.