Granted Patent
Utility
US 4,343,661 · App. 06/142,326
Method of making a low temperature bainite steel alloy gear
Inventor:
Stuart L. Rice
Patented Case
View Patent ↗
Granted: Aug 10, 1982
Filed: Apr 21, 1980
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.