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All Patents in class 279/43.2
Patents 1 - 8 of 8
First set of recordsLast set of records
NumberDatePatenteeTitleType
269,264Dec. 19, 1882H.C. CloydBoring-machineportable timber mortisers
287,809Nov. 06, 1883W. DevereuxScrew-Driverscrewdriver mechanisms
768,113Aug. 23, 1904E.S. CostaSelf Tightening Tool Holdertool holders
1,092,012Mar. 31, 1914I. BottsLathe Tool Holderlathe tool holders and tool posts
1,535,281Apr. 28, 1925J. ZillioxWrenchwrench jaw components
1,888,222Nov. 22, 1932A.E. Keating, H.B. CurtisScrew Driverscrewdrivers
2,038,602Apr. 28, 1936J.M. RedingerChuckmilling machine tools
2,912,892Nov. 17, 1959J.H. HoernContinuous Boring and Turning Machinesvertical boring mills
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