Granted Patent
Utility
US 4,430,847 · App. 06/401,336
Combine feed reverser
Inventors:
Wayne M. Tourdot, Larry A. Matthes
Patented Case
View Patent ↗
Granted: Feb 14, 1984
Filed: Jul 23, 1982
Inventors
Wayne M. Tourdot
Larry A. Matthes
Assignee (at issue)
Allis-Chalmers 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.