Drilldown: Patents

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Patents > Filing date: January 1914 & Citations from after 1930: None & Number of claims: None

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None (13) · airplane (11) · design (9) · control (6) · propulsion (5) · propellers (5) · construction (4) · aerodynamics (4) · frame (4) · safety (3) · rudder (3) · wings (3) · aerostat (2) · elasticity (2) · envelope (2) · suspension (2) · subsystem (2) · hélice (2) · landing (2)
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Showing below up to 35 results in range #1 to #35.

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