Granted Patent
Utility
US 6,427,815 · App. 09/358,343
Method and device for reducing vibrations
Inventor:
Siegfried Zeller
Patented Case
View Patent ↗
Granted: Aug 6, 2002
Filed: Jul 21, 1999
Inventor
Siegfried Zeller
Assignee (at issue)
Eurocopter Deutschland 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.