Granted Patent
Utility
US 4,126,359 · App. 05/806,810
Torsional track bushing
Inventor:
Gordon H. Holze
Patented Case
View Patent ↗
Granted: Nov 21, 1978
Filed: Jun 15, 1977
Inventor
Gordon H. Holze
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.