Granted Patent
Utility
US 4,336,846 · App. 06/240,747
Agricultural folding tool bar
Inventor:
Charles Boetto
Patented Case
View Patent ↗
Granted: Jun 29, 1982
Filed: Mar 5, 1981
Inventor
Charles Boetto
Assignee (at issue)
International Harvester 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.