Drilldown: Patents

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Patents > Year filed: 1890 - 1899 & Number of claims: 1 & Number of figures: 1-3

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LTA (19) · balloon (14) · car (5) · frame (5) · None (4) · propulsion (4) · propeller (4) · marine (4) · gas (4) · dirigible (3) · kite (3) · ascension (3) · captive (2) · passenger (2) · propellers (2) · airplane (2) · airship (2) · hybrid (2) · subsystem (2) · design (2)
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