Granted Patent
Utility
US 6,644,919 · App. 10/021,745
Rotor blade with flap and flap drive
Inventors:
Markus Bauer, Ulrich Denecke, Gerald Kuntze-Fechner, Christine Mueller, Hermann Sahlstorfer, Alois Wagner
Patented Case
View Patent ↗
Granted: Nov 11, 2003
Filed: Dec 11, 2001
Inventors
Markus Bauer
Ulrich Denecke
Gerald Kuntze-Fechner
Christine Mueller
Hermann Sahlstorfer
Alois Wagner
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.