Drilldown: Patents

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Patents > Year granted: 1913 & Patent agent: None & Number of figures: 5

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Airplane (12) · propellers (6) · design (6) · frame (4) · Automatic stability (4) · stability (4) · propulsion (4) · hangars (4) · aerodynamics (3) · subsystem (3) · safety (3) · Infrastructure (3) · wings (3) · equilibrium (3) · airship (3)
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