Granted Patent
Utility
US 5,794,507 · App. 08/762,605
Power steering control valve with back pressure
Inventor:
Daniel J. Strong
Patented Case
View Patent ↗
Granted: Aug 18, 1998
Filed: Dec 9, 1996
Inventor
Daniel J. Strong
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.