Drilldown: Patents

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Patents > Year filed: 1909 & Inventor country: US & Number of claims: 6-7

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airplane (11) · propeller (10) · navigation (10) · propulsion (8) · frame (8) · None (7) · rudder (5) · stability (5) · flapping (5) · airfoil (4) · wheels (4) · takeoff (4) · LTA (4) · passenger (2) · hybrid (2) · ornithopter (2) · car (2)
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