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Patents for L. M. Rumsey
Patents 1 - 2 of 2
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NumberDatePatenteeTitleType
90,786Jun. 01, 1869W.P. Smith, L.M. RumseyImprovement in pipe-driver
90,787Jun. 01, 1869W.P. Smith, L.M. RumseyImproved drill for rock and earth with attached tube
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