Drilldown: Patents

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Patents > Year granted: 1880 - 1889 & Supplementary to patent: None & Number of text pages: 4-11

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LTA (15) · navigation (13) · propulsion (10) · propeller (9) · balloon (9) · frame (7) · car (6) · rudder (5) · safety (4) · cargo (4) · marine (3) · stability (3) · passenger (3)
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