Drilldown: Patents

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Patents > Filing date: 1890 - 1899 & First filing: No & Number of claims: 7-50000000

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propeller (7) · navigation (6) · LTA (6) · rudder (6) · car (6) · frame (5) · propulsion (5) · stability (4) · hybrid (3) · balloon (3) · wheels (3) · takeoff (2) · flapping (2) · sail (2) · airfoil (2) · cargo (2) · parachute (2) · passenger (2) · airplane (2)
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