Granted Patent
Utility
US 5,481,871 · App. 08/397,357
Hydraulic steering system with spool pressure equalization
Inventor:
Andrew W. McFadyen
Patented Case
View Patent ↗
Granted: Jan 9, 1996
Filed: Mar 2, 1995
Inventor
Andrew W. McFadyen
Assignee (at issue)
Teleflex Canada Limited Partnership
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.