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Patents for Richard Witty
Patents 1 - 3 of 3
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NumberDatePatenteeTitleType
GB-181,003,373Aug. 31, 1810R. WittyRotative steam engines on a new principle, simpler, cheaper, and less liable to be out of repair than those now in usesteam engines
GB-181,103,497Oct. 30, 1811R. WittyConstruction of steam enginessteam engines
GB-181,303,707Jun. 05, 1813R. WittyImprovements in or on Steam Engines, and Tools Useful in Making Certain Parts of the Samesteam engines
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