Drilldown: Patents

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Patents > Application number: None & CPCs : CPC B64C11/006 or CPC B64C11/48 & Family year: 1800 - 1899

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None (175) · William R. Manley (2)
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None (174) · propeller (13) · marine (12) · paddle-wheel (12) · propulsion (11) · windmill (5) · churn (4) · paddle wheels (3) · marine propulsion (3) · propellers (2) · paddle-wheels (2) · sail (2) · navigation (2) · marine propeller (2) · Paddle wheel (2) · flapping (2) · blades (2)
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