Granted Patent
Utility
US 4,921,197 · App. 07/263,291
Bag holding, dispensing, loading and discharge system
Inventors:
Gordon L. Benoit, Lewis E. Sable, Richard A. Wenzel
Patented Case
View Patent ↗
Granted: May 1, 1990
Filed: Oct 27, 1988
Inventors
Gordon L. Benoit
Lewis E. Sable
Richard A. Wenzel
Assignee (at issue)
Mobil Oil 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.