Granted Patent
Utility
US 5,738,310 · App. 08/577,131
Rudder bar system with force gradient for a helicopter
Inventors:
Philippe Alain Jean Rollet, Jacques Bellera
Patented Case
View Patent ↗
Granted: Apr 14, 1998
Filed: Dec 22, 1995
Inventors
Philippe Alain Jean Rollet
Jacques Bellera
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.