Granted Patent
Utility
US 4,666,183 · App. 06/818,809
Roll-over protection device
Inventor:
Joseph A. Azzarello
Patented Case
View Patent ↗
Granted: May 19, 1987
Filed: Jan 14, 1986
Inventor
Joseph A. Azzarello
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.