Granted Patent
Utility
US 6,232,890 · App. 09/191,372
Combined altitude and height-above-ground indicator for an aircraft
Inventors:
Raymond Jacques Gerard Berlioz, Vincent Frederic Saintagne, Joel Astruc
Patented Case
View Patent ↗
Granted: May 15, 2001
Filed: Nov 13, 1998
Inventors
Raymond Jacques Gerard Berlioz
Vincent Frederic Saintagne
Joel Astruc
Assignee (at issue)
EUROCOPTER
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.