Granted Patent
Utility
US 5,014,855 · App. 07/434,176
Flip top sealed carton with tear filament
Inventor:
Harry I. Roccaforte
Patented Case
View Patent ↗
Granted: May 14, 1991
Filed: Nov 13, 1989
Inventor
Harry I. Roccaforte
Assignee (at issue)
Waldorf 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.