Granted Patent
Utility
US 6,176,785 · App. 09/307,052
Torsional vibration damper or torsionally elastic and vibration damping coupling
Inventor:
Matthias Geislinger
Patented Case
View Patent ↗
Granted: Jan 23, 2001
Filed: May 7, 1999
Inventor
Matthias Geislinger
Assignee (at issue)
Ellergon Antriebstechnik
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.