Drilldown: Patents

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Patents > Grant date: 1900 - 1999 & IPCs: IPC B64C25/00 & Number of claims: 2-4

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None (6) · Norman Arthur Thompson (3) · Frank McCarroll (2) · Robert Esnault-Pelterie (2) · Armand-Jean-Auguste Deperdussin (2) · Philipp Doerhoefer (2) · Georges-Joseph de Feure (2) · Gabriel Voisin (2) · John William Dunne (2) · Federico Caproni (2)
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None (3)
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