Granted Patent
Utility
US 5,442,956 · App. 08/034,746
Torque sensor for a power assist steering system
Inventor:
Erland K. Persson
Patented Case
View Patent ↗
Granted: Aug 22, 1995
Filed: Mar 19, 1993
Inventor
Erland K. Persson
Assignee (at issue)
TRW 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.