Drilldown: Patents

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Patents > Patent agent: None & Family year: 1912 & Number of claims: 5-6

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airplane (9) · stability (5) · control (4) · aerodynamics (3) · rudder (3) · landing (3) · helicopter (3) · Wings (3) · Design (2) · lift (2) · flapping (2) · automatic stability (2) · safety (2) · piloting (2) · Frame (2) · whole (2)
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