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All Patents in class 408/48
Patents 1 - 5 of 5
First set of recordsLast set of records
274,020Mar. 13, 1883J.M. NashWood-boring machinechair maker
526,198Sep. 18, 1894G.W. Pringle, W. BrodieBoring-machinedrilling and boring
614,378Nov. 15, 1898W.R. FoxAutomatic rim-drilling machinedrilling and boring
1,210,450Jan. 02, 1917W.R. FoxAttachment for multiple drillsmultiple spindle drill presses
1,452,172Apr. 17, 1923R.F. ScottDrill-rpindle-adjusting mechanismmultiple spindle drill presses
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