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All Patents of Type: tapping machines
Patents 1 - 15 of 43
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NumberDatePatenteeTitleType
15,219Jul. 01, 1856H.A. ChapinTapping Gas Fittingstapping machines
112,626Mar. 14, 1871P.I. Perrin, J.L. HewesImprovement in machines for tapping boilerstapping machines
CA-9,267Oct. 19, 1878S.L. WorsleyMachine for tapping nutsnut or bolt making machines
437,157Sep. 23, 1890H.W. HoneymanTapping attachment for drill presstapping machines
465,827Dec. 29, 1891H.C. BradfordTapping and Thread Cutting Machinetapping machines
489,317Jan. 03, 1893A. MillTapping attachment for drillstapping machines
535,420Mar. 12, 1895E.A. SearlesDrilling and tapping machinedrill presses
583,883Jun. 08, 1897G.R. BaldwinTapping Machinetapping machines
610,208Sep. 06, 1898H.A. TuttleTapping-machinetapping machines
628,110Jul. 04, 1899O. MuellerTapping-machinetapping machines
649,173May 08, 1900H. MuellerTapping-machinetapping machines
660,760Oct. 30, 1900O. MuellerTapping-machinetapping machines
688,653Dec. 10, 1901F. LambertTool-operating machinedrill presses
766,723Aug. 02, 1904C.C. NewtonDrilling and Tapping MAchinetapping machines
832,221Oct. 02, 1906H.A. TuttleTapping-machinetapping machines
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