Drilldown: Patents

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Patents > Year granted: 1880 - 1889 & Citations from after 1930: None & Number of text pages: 3-6

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LTA (15) · navigation (10) · balloon (7) · propulsion (7) · frame (5) · propeller (5) · car (5) · control (5) · airship (3) · rudder (3) · passenger (2) · landing (2) · safety (2) · sail (2) · stability (2) · flapping (2) · steam (2) · steering (2) · cargo (2)
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