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Patents > Office : FR or US & Tech fields : Airplane or propeller & CPCs: CPC B64C3/385

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Inventors:
Robert Esnault-Pelterie (4) · Joseph Borel (3) · None (2) · Émile Pupin (2) · John Thomas Simpson (2) · George Lanzius (2) · François d’Astanières (2) · William Wallace Gibson (2)
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None (5) · Robert Esnault-Pelterie (4) · Joseph Borel (3) · John Thomas Simpson (2) · George Lanzius (2) · François d’Astanières (2) · Émile Pupin (2)
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