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Patents for D. R. Williams
Patents 1 - 2 of 2
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NumberDatePatenteeTitleType
130,680Aug. 20, 1872D.R. Williams, Sr.Improvement in scroll-sawing machinesscrollsaws
130,681Aug. 20, 1872D.R. Williams, Sr.Sawing, turning, and boring machinedrilling and boring
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