Drilldown: Patents

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Patents > Year filed: 1870 - 1879 & Tech fields: propulsion

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Richard Boyman-Boyman (2) · Gillet-Pâris (2) · Georges-Marie Cave (2) · Charles Pagé (2) · Richard William Cowan (2) · Micciollo-Picasse (2) · James J. Pennington (2)
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