Drilldown: Patents

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Patents > Year filed: 1910 - 1919 & Year granted: 1913 & Number of claims: 9-12

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airplane (9) · None (6) · stability (6) · rudder (5) · propellers (5) · control (4) · frame (4) · design (4) · wings (4) · chassis (3) · construction (3) · wheels (3) · safety (3) · propulsion (3) · propeller (3) · projectile (3) · parachute (3) · military (3) · fuselage (3)
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