Granted Patent
Utility
US 4,581,890 · App. 06/724,043
Double flow turbine engine equipped with a central mixing nozzle and a thrust reverse
Inventor:
Pierre Giraud
Patented Case
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Granted: Apr 15, 1986
Filed: Apr 18, 1985
Inventor
Pierre Giraud
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.