Granted Patent
Utility
US 6,196,800 · App. 09/321,340
Rotor blade for a bearingless rotor of a helicopter
Inventors:
Karl-Heinz Bauer, Gerald Kuntze-Fechner, Gerhard Hausmann, Bernhard Enenkl
Patented Case
View Patent ↗
Granted: Mar 6, 2001
Filed: May 27, 1999
Inventors
Karl-Heinz Bauer
Gerald Kuntze-Fechner
Gerhard Hausmann
Bernhard Enenkl
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.