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All Patents in class 279/89
Patents 1 - 15 of 17
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NumberDatePatenteeTitleType
48,521Jul. 04, 1865S.J. ConeLathe Chuckmetal lathe chucks
71,727Dec. 03, 1867S.F. FennBit-bracebrace chucks
206,006Jul. 16, 1878A.H. CrockfordImprovement in bit-clampsbrace chucks
274,040Mar. 13, 1883H.V. SmithBit-stockbraces
315,079Apr. 07, 1885I.P. ShottsExtension-Shank for Bits, &c.drill bit extensions
442,710Dec. 16, 1890L.M. MarshScrew-Driver and Bit-Holderdrill accessories
512,971Jan. 16, 1894J. JohnstoneBrad-Awltool holders
518,938May 01, 1894F.J. ColvinArticulating chuck with snap-in jaws
698,001Apr. 22, 1902B.F. FossLengthening Attachment for Bitsdrill bit extensions
779,084Jan. 03, 1905A. JonesDrill or tool holder
868,812Oct. 22, 1907L. RueggBit holder
869,639Oct. 29, 1907J.O. MichaudBit-stock
1,571,497Feb. 02, 1926G.W. StaleyExtension Bitdrill bit extensions
3,498,624Mar. 03, 1970E.J. Hammond, R.G. KochChuck devicedrill press chucks
3,533,638Oct. 13, 1970R.K. SedgwickTool locking mechanism
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