Granted Patent
Utility
US 4,398,745 · App. 06/269,236
Three point hitch lower link claw
Inventors:
Joseph A. Azzarello, Carlos T. San Luis
Patented Case
View Patent ↗
Granted: Aug 16, 1983
Filed: Jun 1, 1981
Inventors
Joseph A. Azzarello
Carlos T. San Luis
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.