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Patents > Grant date: February 1911 & Assigned to: None & Number of diagram pages: 2-3

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airplane (12) · frame (9) · stability (6) · propeller (6) · navigation (5) · rudder (5) · wings (5) · wheels (4) · construction (4) · propulsion (4) · airfoil (4) · automatic stability (3) · takeoff (3)
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