Granted Patent
Utility
US 6,644,541 · App. 10/003,026
Substantially paperboard container with tear-strip opening and reclosure feature
Inventors:
Noel Stewart, L. David Fielder
Patented Case
View Patent ↗
Granted: Nov 11, 2003
Filed: Nov 2, 2001
Inventors
Noel Stewart
L. David Fielder
Assignee (at issue)
Stone Container 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.