Drilldown: Patents

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Patents > Filing date: April 1914 & Application number: None & Citations from after 1930: None

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Airplane (18) · design (12) · construction (8) · wings (6) · propellers (6) · Stability (6) · aerodynamics (5) · Motors (5) · Propulsion (4) · Frame (4) · subsystem (4) · control (4) · parachutes (4)
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Showing below up to 39 results in range #1 to #39.

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