Granted Patent
Utility
US 5,952,570 · App. 08/879,365
Horizontal speed indicator for rotary-wing aircraft
Inventors:
Raymond Jacques Gerard Berlioz, Vincent Frederic Saintagne
Patented Case
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Granted: Sep 14, 1999
Filed: Jun 20, 1997
Inventors
Raymond Jacques Gerard Berlioz
Vincent Frederic Saintagne
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.