Granted Patent
Utility
US 4,210,372 · App. 05/916,975
Retainer for bearing lock nut
Inventors:
Mary Ann C. McGee, William A. Bahnfleth
Patented Case
View Patent ↗
Granted: Jul 1, 1980
Filed: Jun 19, 1978
Inventors
Mary Ann C. McGee
William A. Bahnfleth
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.