Granted Patent
Utility
US 5,375,683 · App. 08/164,418
Controllable vibration damper for motor vehicles
Inventors:
Zhen Huang, Hans-Joachim Betsch, Hans Scheerer, Andreas Opara, Walter Schulz, Klaus Schmidt
Patented Case
View Patent ↗
Granted: Dec 27, 1994
Filed: Dec 9, 1993
Inventors
Zhen Huang
Hans-Joachim Betsch
Hans Scheerer
Andreas Opara
Walter Schulz
Klaus Schmidt
Assignees (at issue)
August Bilstein GmbH & Co. KG
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.