Granted Patent
Utility
US 6,302,584 · App. 09/671,757
Woven polypropylene bulk bag with polypropylene lining or liner and process for manufacturing same
Inventors:
Norwin C. Derby, Craig Alan Nickell, Bobby Glenn Brown
Patented Case
View Patent ↗
Granted: Oct 16, 2001
Filed: Sep 26, 2000
Inventors
Norwin C. Derby
Craig Alan Nickell
Bobby Glenn Brown
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.