Granted Patent
Utility
US 4,487,598 · App. 06/061,455
Bag folding apparatus
Inventor:
James A. McDonald
Patented Case
View Patent ↗
Granted: Dec 11, 1984
Filed: Jul 27, 1979
Inventor
James A. McDonald
Assignee (at issue)
Union Carbide 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.