Drilldown: Patents

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Patents > Year granted: 1840 - 1849 & Application number: None & CPCs: None

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LTA (15) · navigation (15) · marine (9) · propellers (8) · submarine (7) · None (6) · propulsion (5) · balloon (3) · dirigible (2) · propeller (2) · aerostat (2)
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Showing below up to 36 results in range #1 to #36.

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