Granted Patent
Utility
US 5,558,438 · App. 08/509,831
Bag with reenforced handle and resealable pour spout opening
Inventor:
Charles J. Warr
Patented Case
View Patent ↗
Granted: Sep 24, 1996
Filed: Aug 1, 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.