Granted Patent
Utility
US 4,286,674 · App. 06/093,077
Replaceable bearing assembly for construction vehicles
Inventors:
Charles Michael Noble, JR., James A. Olthoff
Patented Case
View Patent ↗
Granted: Sep 1, 1981
Filed: Sep 24, 1979
Inventors
Charles Michael Noble, JR.
James A. Olthoff
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.