Drilldown: Patents

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Patents > Year granted: 1840 - 1849 & Granted: Yes & Assigned to: None & Family year: 1800 - 1899

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navigation (14) · LTA (13) · marine (10) · submarine (7) · propellers (7) · propulsion (4) · None (4) · balloon (3) · dirigible (2) · aerostat (2)
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Showing below up to 37 results in range #1 to #37.

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