Granted Patent
Utility
US 4,475,615 · App. 06/408,394
Power steering system
Inventor:
Gary C. Stanek
Patented Case
View Patent ↗
Granted: Oct 9, 1984
Filed: Aug 16, 1982
Inventor
Gary C. Stanek
Assignee (at issue)
Massey Ferguson Group Limited
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.