Granted Patent
Utility
US 4,567,717 · App. 06/647,592
Forage harvester row crop attachment
Inventor:
Timothy J. Manton
Patented Case
View Patent ↗
Granted: Feb 4, 1986
Filed: Sep 6, 1984
Inventor
Timothy J. Manton
Assignee (at issue)
Sperry Corp.
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.