Granted Patent
Utility
US 5,489,037 · App. 08/293,562
Container liner system for bulk transfer
Inventor:
Raymond J. Stopper
Patented Case
View Patent ↗
Granted: Feb 6, 1996
Filed: Aug 18, 1994
Inventor
Raymond J. Stopper
Assignee (at issue)
Insta-Bulk, 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.