Drilldown: Patents

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Patents > Year granted: 1910 & Related to aircraft: Yes & CPCs: CPC B64C39/00

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Airplane (15) · Design (12) · monoplane (6) · frame (6) · Lift (5) · Propellers (5) · propulsion (5) · None (5) · Control (5) · stability (4) · Aerodynamics (4) · Rudder (4) · Whole (4) · airfoil (4) · construction (3)
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