Granted Patent
Utility
US 5,335,757 · App. 07/971,483
Hydraulic adjustable vibration damper
Inventors:
Heinz Knecht, Hubert Beck
Patented Case
View Patent ↗
Granted: Aug 9, 1994
Filed: Nov 4, 1992
Inventors
Heinz Knecht
Hubert Beck
Assignee (at issue)
Boge 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.