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All Patents in class 470/96
Patents 1 - 15 of 43
First set of recordsNext set of recordsLast set of records
19,752Mar. 30, 1858R.H. ColeScrew Cutting Machinescrew machines
79,971Jul. 14, 1868E. GouldImproved screw-threading machine
162,194Apr. 20, 1875E. SchlenkerImprovement in bolt-threading machinesmetal threading machines
332,242Dec. 15, 1885W. EvansDrill-pressdrill presses
357,807Feb. 15, 1887E. Allen, D.S. HenrieDrilling-machinedrill presses
450,403Apr. 14, 1891E.A. Corliss, administratrix, G.H. Corliss, deceased (estate of)Machine for Fitting the Exhaust Valve Boxes of Steam Enginessteam engines
465,827Dec. 29, 1891H.C. BradfordTapping and Thread Cutting Machinetapping machines
517,023Mar. 27, 1894T.I. BrownMetal Tapping or Drilling Machinedrill presses
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
851,728Apr. 30, 1907W.J. BayrerSpindle-drivedrill presses
863,137Aug. 13, 1907W.J. BayrerDrill-pressdrill presses
907,163Dec. 22, 1908W. MurcheyMachine for Boring, Tapping, &c.tapping machines
1,250,362Dec. 18, 1917W.L. SchellenbachMetal-boring machinevertical boring mills
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