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All Patents in class 408/146
Patents 1 - 14 of 14
First set of recordsLast set of records
NumberDatePatenteeTitleType
126Feb. 16, 1837P. WilliamsImprovement in Machines for Cutting the Screws of Screw-Bedsteadswood threading machines
12,677Apr. 10, 1855J.H. King, H.C. GarvinTool for boring hubswheelwright
22,101Nov. 16, 1858G.H. Brady, J. LyonMachine for cutting bungsbung making machines
65,422Jun. 04, 1867G.R. ParkerImproved centring and squaring chucksmetal lathe chucks
83,348Oct. 20, 1868P.A. WhitneyImprovement in counter-sinkcountersinks
180,976Aug. 08, 1876P.H. WilmsImprovement in boring-machinesdrilling and boring
186,513Jan. 23, 1877D.J. AdamsImprovement in Countersinkscountersinks
205,218Jun. 25, 1878G.F. StearnsImprovement in Augersauger bits
532,472Jan. 15, 1895S.B. MinnichCountersink-toolcountersinks
1,452,172Apr. 17, 1923R.F. ScottDrill-rpindle-adjusting mechanismmultiple spindle drill presses
1,939,490Dec. 12, 1933J.O. DixonCompound tool
2,618,180Nov. 18, 1952F.O. Wetzel, C.E. LindenTool ejectorradial drill presses
3,402,625Sep. 24, 1968A.N. SweenyAdjustable cutting toollathe tools
3,546,759Dec. 15, 1970F. SirolaCutting toollathe tool holders and tool posts
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