Granted Patent
Utility
US 5,664,650 · App. 08/618,340
Upper MacPherson strut step bearing for wheel suspensions in motor vehicles
Inventors:
Helmut Kammel, Hubert Siemer, Ernst-Gunther Jordens
Patented Case
View Patent ↗
Granted: Sep 9, 1997
Filed: Mar 19, 1996
Inventors
Helmut Kammel
Hubert Siemer
Ernst-Gunther Jordens
Assignee (at issue)
LEMFORDER METALLWAREN 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.