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Patents for R. C. Manville
Patents 1 - 2 of 2
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NumberDatePatenteeTitleType
146,539Jan. 20, 1874E.J. ManvilleReversing Gearings for Metal-Planersmetal planers
304,945Sep. 09, 1884E.J. ManvilleScrew Threading Machinemetal threading machines
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