Granted Patent
Utility
US 6,331,077 · App. 09/479,812
Bulk bag for dense materials
Inventor:
Craig Alan Nickell
Patented Case
View Patent ↗
Granted: Dec 18, 2001
Filed: Jan 7, 2000
Inventor
Craig Alan Nickell
Assignee (at issue)
Super Sack Mfg. Corp.
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.