Granted Patent
Utility
US 6,497,338 · App. 09/639,036
Plastic drum with reinforced sidewall
Inventor:
Michael D. Stolzman
Patented Case
View Patent ↗
Granted: Dec 24, 2002
Filed: Aug 15, 2000
Inventor
Michael D. Stolzman
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.