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All Patents in class 408/15
Patents 1 - 10 of 10
First set of recordsLast set of records
NumberDatePatenteeTitleType
157,700Dec. 15, 1874C. SellersMachines for Threading Bolts
765,601Jul. 19, 1904C. SeymourMultiple-spindle boring-machinewood drilling and boring
1,006,532Oct. 24, 1911A. CasazzaPortable magnetic drillportable metal drilling machines
1,017,878Feb. 20, 1912A.B. LandisBolt-threading machinescrew machines
1,017,889Feb. 20, 1912A.B. LandisThread-cutting machinemetal threading machines
1,454,190May 08, 1923W.L. SchellenbachHorizontal Boring Millhorizontal boring mills
1,613,369Jan. 04, 1927E.L. WorboisNut-Tapping Machinenut or bolt making machines
1,883,728Oct. 18, 1932J.F. HaasPortable power driven threading machinehandheld power tools
2,692,518Oct. 26, 1954J.B. Lukey, J.B. ArmitageMachine Toolhorizontal boring mills
3,283,618Nov. 08, 1966E.W. SchatzmanTorque controlled machine tooldrill presses
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