Granted Patent
Utility
US 4,627,446 · App. 06/711,632
Downwardly and rearwardly directed air stream for harvester with vertically offset accelerator rolls
Inventor:
Michael L. Huhman
Patented Case
View Patent ↗
Granted: Dec 9, 1986
Filed: Mar 14, 1985
Inventor
Michael L. Huhman
Assignee (at issue)
Deutz-Allis 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.