Drilldown: Patents

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Patents > Year granted: 1913 & IPCs: None & Number of text pages: 4-50000000 & Number of claims: 7-10

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airplane (13) · stability (8) · frame (6) · propellers (4) · design (4) · control (3) · propulsion (3) · rudder (3) · wings (3) · subsystem (3) · biplane (3) · takeoff (3) · wheels (3)
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