Drilldown: Patents

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Patents > Year granted: 1890 - 1899 & Grant date: 1899 & Number of text pages: 1-2

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Propulsion (7) · LTA (5) · frame (3) · propellers (3) · marine (3) · None (3) · car (2) · ascension (2) · Paddle-wheel (2) · Dirigibles (2) · electricity (2) · kite (2) · propeller (2)
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