Granted Patent
Utility
US 4,875,890 · App. 07/161,525
Feed plate assembly for axial flow combine
Inventors:
Edwin O. Margerum, Russell W. Strong
Patented Case
View Patent ↗
Granted: Oct 24, 1989
Filed: Feb 29, 1988
Inventors
Edwin O. Margerum
Russell W. Strong
Assignee (at issue)
Ford New Holland, Inc.
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.