Drilldown: Patents

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Patents > Grant date: 1800 - 1899 & Family year: 1850 - 1859 & Number of diagram pages: 1

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military (9) · projectile (8) · LTA (6) · propulsion (4) · navigation (3) · churn (3) · marine propeller (3) · paddle-wheels (3) · paddle-wheel (2) · balloon (2) · dirigible (2) · propellers (2) · marine (2)
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