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Patents > Grant date: 1913 & Patent agent : L. Chassevent or Victor J. Evans & Assigned to: None

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airplane (5) · Safety (4) · hybrid (4) · rudder (4) · frame (4) · propeller (3) · LTA (3) · helicopter (3) · stability (3) · navigation (3) · None (2) · parachute (2) · landing (2) · aerial propeller (2) · flapping (2) · Fabric (2) · design (2) · takeoff (2) · Airship (2) · wheels (2)
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