Granted Patent
Utility
US 4,225,365 · App. 05/965,534
Lower bainite alloy steel article and method of making same
Inventor:
Stuart L. Rice
Patented Case
View Patent ↗
Granted: Sep 30, 1980
Filed: Nov 15, 1978
Inventor
Stuart L. Rice
Assignee (at issue)
Caterpillar Tractor Co.
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.