Drilldown: Patents

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Patents > Year granted: 1911 & Number of claims: 17-60

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airplane (14) · frame (10) · None (7) · stability (6) · design (5) · wheels (4) · propeller (4) · takeoff (3) · safety (3) · rudder (3) · propulsion (3) · Propellers (3) · landing (3) · heavier-than-air (3) · wings (3) · airfoil (3)
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