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Patents for William Mitchell
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
459XJun. 07, 1803W. Mitchell, T. BedwellImprovement in Extracting the Effective Matter Contained in Barks for Dying
2,764XMar. 26, 1817W. MitchellMachine for brick making and clay grindingbrick maker
7,825XNov. 19, 1833W. MitchellStraw cutterhay or straw cutters
848,672Apr. 02, 1907J.F. Mitchell, W. MitchellBench Drilldrill presses
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