Drilldown: Patents

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Patents > Inventor location : New York City or Washington & IPCs: None

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airplane (11) · propeller (5) · frame (5) · rudder (4) · LTA (4) · whole (3) · landing (2) · hybrid (2) · airfoil (2) · helicopter (2) · propellers (2) · propulsion (2) · flapping (2) · control (2) · stability (2) · steering (2) · balloon (2) · wheels (2) · navigation (2)
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