Drilldown: Patents

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Patents > Year filed: 1910 - 1919 & Office : BE or CA & Family year: 1912

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airplane (19) · design (11) · hybrid (7) · propellers (7) · sustentation (6) · Construction (6) · hydroplane (5) · wings (5) · propulsion (4) · aerodynamics (4) · ascension (4) · helicopter (4) · Takeoff (4) · stability (4) · navigation (3) · landing (3) · Equilibrium (3) · Lift (3) · steering (3) · control (3)
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Showing below up to 35 results in range #1 to #35.

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