Drilldown: Patents

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Patents > Year granted: 1920 - 1929 & Citations from after 1930: None & Number of claims: 18-50

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airplane (8) · aerodynamics (5) · control (4) · design (4) · Fuselage (3) · stability (3) · rudder (3) · military (2) · navigation (2) · propellers (2) · propulsion (2) · instrument (2) · compass (2)
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Showing below up to 18 results in range #1 to #18.

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