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Patents Granted on 1844-02-??
Patents 1 - 3 of 3
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NumberDatePatenteeTitleType
3,426Feb. 07, 1844E.A. LesterOscillating Steam Engineoscillating steam engines
3,427Feb. 07, 1844T. LoringImprovement in flasks for molding hingeshinges
GB-184,410,062Feb. 19, 1844A. StivenImproved simple and compound parallel vicebench vises
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