Drilldown: Patents

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Patents > Year filed: 1920 - 1929 & Citations from after 1930: None & Number of claims: 1-4

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airplane (26) · frame (17) · design (12) · wings (8) · chassis (5) · propellers (5) · LTA (3) · wheels (3) · propulsion (3) · control (3) · Parachutes (3)
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