Granted Patent
Utility
US 4,284,301 · App. 06/028,633
Bag transfer device
Inventors:
Herbert B. Geiger, David A. Smith
Patented Case
View Patent ↗
Granted: Aug 18, 1981
Filed: Apr 9, 1979
Inventors
Herbert B. Geiger
David A. Smith
Assignee (at issue)
THE DOW CHEMICAL COMPANY
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.