Granted Patent
Utility
US 6,629,545 · App. 10/018,541
Cut-off valve for power steering systems, especially for automobiles
Inventors:
Matthias Fahrian, Jorgen Schoffel
Patented Case
View Patent ↗
Granted: Oct 7, 2003
Filed: Oct 30, 2001
Inventors
Matthias Fahrian
Jorgen Schoffel
Assignee (at issue)
ZF Lenksysteme GmbH
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.