Drilldown: Patents

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Patents > Year filed: 1911 & Year granted: 1913 & Number of text pages: 4-6000000

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airplane (16) · frame (7) · design (7) · stability (6) · Rudder (6) · control (5) · propellers (5) · propeller (5) · None (4) · whole (4) · subsystem (4) · wings (4) · biplane (4) · takeoff (3) · LTA (3) · automatic stability (3) · propulsion (3) · construction (3)
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