Drilldown: Patents

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Patents > Inventor location : Missouri or Pennsylvania & Number of diagram pages: 2-50000000

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propeller (9) · frame (7) · propulsion (7) · navigation (6) · LTA (6) · airplane (5) · stability (5) · safety (4) · flapping (3) · None (3) · parachute (3) · HTA (3) · rudder (3) · takeoff (3) · hybrid (3)
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