Drilldown: Patents

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Patents > Year granted: 1890 - 1899 & Family year: 1898 & Number of text pages: 1-4

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LTA (8) · propulsion (6) · kite (5) · frame (5) · navigation (4) · design (4) · dirigible (3) · balloon (2) · marine (2) · stability (2) · sail (2) · construction (2) · Windmill (2) · paddle-wheel (2) · parachute (2) · propellers (2) · propeller (2)
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