Granted Patent
Utility
US 4,462,477 · App. 06/441,970
Tractor bogie suspension with steering and weight transfer control
Inventor:
James R. Mastro
Patented Case
View Patent ↗
Granted: Jul 31, 1984
Filed: Nov 15, 1982
Inventor
James R. Mastro
Assignee (at issue)
International Harvester Company
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.