Drilldown: Patents

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Patents > Grant date: 1890 - 1899 & Number of claims: 4 & Number of figures: 0-20

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LTA (10) · propulsion (6) · frame (5) · balloon (4) · kite (4) · car (3) · navigation (3) · fun (3) · track (2) · safety (2) · rigid (2) · parachute (2) · glider (2) · None (2) · communications (2) · electricity (2) · dirigible (2) · cargo (2)
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