Granted Patent
Utility
US 4,554,720 · App. 06/640,056
Apparatus and method for turning a track bushing
Inventor:
James A. Garman
Patented Case
View Patent ↗
Granted: Nov 26, 1985
Filed: Aug 13, 1984
Inventor
James A. Garman
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.