Drilldown: Patents

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Patents > Year filed: 1910 - 1919 & CPCs: CPC B64C23/005 & Number of text pages: 1-2

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Reuben Leroy Bernard (2) · Alvaro Da Cunha (2) · Wilhelm Kress (2) · Carl Hanschke (2) · Jane-Françoise-Mathilde Giraud (2) · Maurice-Achille Lécuyer (2)
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Airplane (16) · hybrid (11) · helicopter (9) · None (7) · design (7) · propulsion (7) · frame (6) · heavier-than-air (5) · Propellers (5) · rudder (4) · propeller (4) · navigation (4) · control (4) · wings (4) · airship (3) · Ascension (3) · subsystem (3) · wheels (3) · whole (3)
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