Granted Patent
Utility
US 5,593,229 · App. 08/500,173
Heavy duty bag with easily-removable corner for pouring
Inventor:
Charles J. Warr
Patented Case
View Patent ↗
Granted: Jan 14, 1997
Filed: Jul 10, 1995
Inventor
Charles J. Warr
Assignee (at issue)
Rex-Rosenlew International Incorporated
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.