Granted Patent
Utility
US 6,035,531 · App. 08/741,172
Method for manufacturing a variable-pitch composite blade for a helicopter rotor
Inventors:
Jean-Luc Besse, Jacques Gaffiero
Patented Case
View Patent ↗
Granted: Mar 14, 2000
Filed: Oct 29, 1996
Inventors
Jean-Luc Besse
Jacques Gaffiero
Assignee (at issue)
Eurocopter France
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.