Granted Patent
Utility
US 6,158,653 · App. 09/452,560
Container having improved stacking strength
Inventors:
Allen Kanter, Andy Sypawka
Patented Case
View Patent ↗
Granted: Dec 12, 2000
Filed: Dec 1, 1999
Inventors
Allen Kanter
Andy Sypawka
Assignee (at issue)
Allen Kanter
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.