Granted Patent
Utility
US 4,749,070 · App. 07/015,522
Hydraulic vibration damper having adjustable damping valve
Inventors:
Bernd Moser, Heinz Knecht
Patented Case
View Patent ↗
Granted: Jun 7, 1988
Filed: Feb 13, 1987
Inventors
Bernd Moser
Heinz Knecht
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.