Drilldown: Patents

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Patents > Year granted: 1911 & Filing date: 1910 - 1919 & Number of figures: 17-30

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airplane (16) · frame (9) · stability (8) · whole (6) · propellers (6) · propulsion (5) · design (5) · None (4) · automatic stability (4) · safety (4) · wheels (3) · subsystem (3) · propeller (3) · heavier-than-air (3) · Wings (3) · control (3) · construction (3)
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