Granted Patent
Utility
US 4,186,812 · App. 05/813,725
Equalizer bar support assembly
Inventor:
Robert A. Sutton
Patented Case
View Patent ↗
Granted: Feb 5, 1980
Filed: Jul 7, 1977
Inventor
Robert A. Sutton
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.