Drilldown: Patents

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Patents > Year filed: 1880 - 1889 & Number of claims: 11-40 & Number of figures: 5-50

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LTA (14) · navigation (13) · propeller (9) · balloon (7) · frame (7) · propulsion (6) · rudder (6) · flapping (4) · car (4) · cargo (3) · stability (3)
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