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Patents for Dan Rowlance
Patents 1 - 2 of 2
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NumberDatePatenteeTitleType
42,990May 31, 1864D.A. DickinsonImprovement in machines for trimming the bowls of tobacco-pipesspecialty woodworking machines
42,991May 31, 1864D.A. DickinsonImprovement in machines for making tobacco-pipesspecialty woodworking machines
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