Drilldown: Patents

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Patents > Year granted: 1860 - 1869 & National tech categories : HU V/h or USPC 244/6 or None & First filing: Yes & Cites these patents : USPC 244/87 or None

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Inventors:
None (2) · Jose Pesaña y Piñol (2) · Richard Boyman-Boyman (2) · William R. Manley (2)
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marine (9) · LTA (8) · propeller (7) · paddle-wheel (5) · navigation (5) · None (4) · dirigible (4) · feathering (3) · propulsion (2) · paddle-wheels (2) · ornithopter (2) · Balloon (2)
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