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Patents > Grant date: 1909 & Patent agent : Armengaud jeune or Victor J. Evans & First filing: Yes

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airplane (12) · design (9) · Wings (8) · Control (5) · construction (5) · biplane (4) · stability (4) · Propulsion (4) · Lift (4) · aerodynamics (3) · sustentation (3) · aileron (3) · Frame (3)
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Showing below up to 26 results in range #1 to #26.

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