Granted Patent
Utility
US 5,752,908 · App. 08/594,263
Method of manufacture of a glued top and bottom bulk container
Inventor:
Norwin C. Derby
Patented Case
View Patent ↗
Granted: May 19, 1998
Filed: Jan 30, 1996
Inventor
Norwin C. Derby
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.