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All Patents in class 408/34
Patents 1 - 7 of 7
First set of recordsLast set of records
NumberDatePatenteeTitleType
145,923Dec. 23, 1873A. WoodworthMetal-Drilling Machinesdrill presses
817,587Apr. 10, 1906M. NelsonMachine for drilling nuts and the likemultiple spindle drill presses
1,574,727Feb. 23, 1926E.P. Bullard, Jr.Multiple-Spindle Continuous-Drilling Toolvertical boring mills
1,877,277Sep. 13, 1932F.M. DavisVertical continuous drilling machinesmultiple spindle drill presses
1,877,560Sep. 13, 1932F.M. DavisVertical Continuous Milling Machinemilling machines
2,027,023Jan. 07, 1936J. CoulterMultiple Spindle Boring Machinevertical boring mills
2,697,952Dec. 28, 1954G.L. OttoContinuously operating machine toolworkpiece changers and storage mechanisms
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