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Patents for Mirtillow R. Clapp
Patents 1 - 2 of 2
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NumberDatePatenteeTitleType
204,885Jun. 18, 1878M.R. ClappImprovement in boilers for steam fire-enginessteam fire engines
358,430Mar. 01, 1887M.R. ClappCoiled-tube boilersteam fire engines
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