Granted Patent
Utility
US 5,743,422 · App. 08/272,906
Collapsible bulk container and method of making the same
Inventor:
James A. Hale
Patented Case
View Patent ↗
Granted: Apr 28, 1998
Filed: Jul 8, 1994
Inventor
James A. Hale
Assignee (at issue)
Greif Bros. Corporation
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.