Granted Patent
Utility
US 4,862,971 · App. 07/246,265
Sway limiting means for a tractor hitch
Inventors:
Joseph A. Azzarello, Carlos T. San Luis, Gerald L. Wagenbach
Patented Case
View Patent ↗
Granted: Sep 5, 1989
Filed: Sep 19, 1988
Inventors
Joseph A. Azzarello
Carlos T. San Luis
Gerald L. Wagenbach
Assignee (at issue)
J. I. Case 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.