Granted Patent
Utility
US 6,648,599 · App. 10/114,168
Method and control arrangement for adjusting a flap that is pivotally supported in a rotor blade of a helicopter
Inventor:
Dieter Preissler
Patented Case
View Patent ↗
Granted: Nov 18, 2003
Filed: Apr 1, 2002
Inventor
Dieter Preissler
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.