Granted Patent
Utility
US 5,762,421 · App. 08/548,056
Reusable bulk bag with liner
Inventor:
Kurt D. Ross
Patented Case
View Patent ↗
Granted: Jun 9, 1998
Filed: Oct 25, 1995
Inventor
Kurt D. Ross
Assignee (at issue)
Grayling Industries, Inc.
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.