Granted Patent
Utility
US 4,449,649 · App. 06/339,423
Bulk material container
Inventor:
Jerry E. Flannigan
Patented Case
View Patent ↗
Granted: May 22, 1984
Filed: Jan 15, 1982
Inventor
Jerry E. Flannigan
Assignee (at issue)
St. Regis Paper Company
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.