Drilldown: Patents

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Patents > Year granted: 1890 - 1899 & Application number: None & First filing: No & Number of figures: 1-2

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LTA (11) · balloon (7) · frame (6) · propeller (6) · propulsion (5) · car (4) · airplane (3) · stability (3) · rudder (3) · hybrid (3) · takeoff (2) · parachute (2) · navigation (2) · helicopter (2) · None (2) · wheels (2) · electricity (2) · captive (2)
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