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Patents Granted on 1816-04-08
Patents 1 - 2 of 2
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NumberDatePatenteeTitleType
2,566XApr. 08, 1816E. HotchkissThrashing machinemiller
GB-181,604,014Apr. 08, 1816J. TurnerImprovement rotary engine and application thereofrotary steam engines
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