Granted Patent
Utility
US 5,603,391 · App. 08/498,753
Damper valve for power steering coupler
Inventors:
Jurgen Class, Ulrich Asbrand
Patented Case
View Patent ↗
Granted: Feb 18, 1997
Filed: Jul 6, 1995
Inventors
Jurgen Class
Ulrich Asbrand
Assignee (at issue)
MERCEDES-BENZ GROUP AG
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.