Granted Patent
Utility
US 4,632,667 · App. 06/675,277
Encoding means and method for a bag making apparatus
Inventors:
James A. McDonald, David Gledhill, Peter Savich
Patented Case
View Patent ↗
Granted: Dec 30, 1986
Filed: Nov 27, 1984
Inventors
James A. McDonald
David Gledhill
Peter Savich
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.