Granted Patent
Utility
US 5,831,429 · App. 08/658,672
System for detecting and monitoring the rotational speed of at least one rotor and the rotational speed of at least one motor of a rotary-wing aircraft, such as a helicopter
Inventor:
Serge Germanetti
Patented Case
View Patent ↗
Granted: Nov 3, 1998
Filed: Jun 4, 1996
Inventor
Serge Germanetti
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.